#notes on core java

[the-potato-beeper]

i'm poking around through RPG Maker MV's programming and... actually sort of understanding it? proud!!

[selamat-linting]

related to last rb but a few years ago i was reading a book about an indonesian anarchist's analysis on indigenous cultures here and there is this bit of a thread that interests me.

its about how ethnic groupings and cultural traditions slowly become incorporated with the capitalist state the moment people and the communities pursue friendly relations or try to live with the government to the point that their identity is eventually homogenized and reduced to be synonymous with the state with a bunch of sanitized and hollow cultural signifiers of their ancestors' ethnic group.

to tell you the truth, i actually have a little issue with this. a lot of ethnic identities are tied to the monarchies that stood before colonization. theyre already friendly with the state. not every ethnic groups are like dayak where you can argue they're principally anarchist (plus it kind of has the unfortunate implications that there is no way to preserve your culture in a way that matters if you intermix and mingle with people outside of your ethnicity). but also, as a disparate bunch of islands and regions, it was dutch colonialism that forcibly tied everything together to give it a national identity.

but i don't think the concerns were stupid. its true that the indonesian state as it is now, uses indigenous cultural symbols and do token lip service about diversity between ethnic and religious groups while oppressing and stealing lands to be used as projects like food estate or mining sites or palm oil plantations. and its not just a matter of corruption, food estate farms usually plant rice in places where the climates are bad for it and where the people living around it doesn't even consume rice as their primary staple foods. and when the projects fail, the farmers sometimes default on palm oil because there is a national and international market for it, then indigenous communities suffer because their source of livelihood and food are gone. and in the case of mining sites, most of the goods and profits aren't even landing to the pockets to the national bourgeoise lol. yes theyre still rich beyond imagining and oppress people but its the people (and i mean people as a whole, including the poor ones) of the imperial core that gets cheap phones and electronics and building materials.

there's also certain regions where the relationship to the indonesian state are downright colonial. like west papua, horribly militarized and exploited for resources with barely any government spending given for the people and "transmigration" programs sending non-papuans to live in the "unused lands" there (fyi transmigration programs isnt a new thing).

interestingly, i also read in another book about the history of communist movements here that notes that we were actually developing a shared national identity organically during 1945-1955, as we were fresh off independence and were spearheading non-block movements and there was widespread literacy programs and multiple party-affiliated recreation clubs. there was an anecdote that a lot of people were given "revolutionary" sounding names, and when people do small talk, they asked of your party affiliation instead of whats your ethnic group. it wasnt until suharto rose to power that he began the campaign of rewriting a revisionist history where the anti colonial movement was mostly a win from military defense with barely any political or ideological battles occuring, and somewhat reviving the concept of ethnic groups being important to the national identity of indonesians (see the troubled development of taman mini indonesia), even though said concept is horrifically outdated since it was mostly politically relevant before dutch colonialism. and of course we have to mention that suharto's time as president is noted even in civics class textbooks as "java-centric", which probably explains why some javanese people are Weird™ about other ethnic groups, if you know what i mean?

but eh, whatever, im just yapping. im tired man i have to like, write this article to my org about the election and it has to be done soon and i had to explain for the 90th time to people who is not even a good prospect for the org about how uu perampasan aset is just a stupid distraction to make ppl believe prabowo is handling corruption but those damn pesky legislative government bodies are just too damn corrupt (implying that the president should have more power here with no checks and balances)

[nividawebsolutions]

Top 20 Backend Development Tools In 2023

Backend development plays a crucial role in the operation and performance optimisation of web and mobile applications, serving as their foundational framework. In the context of the dynamic technological environment, it is imperative for developers to remain abreast of the most recent and effective backend development technologies. In the year 2023, a plethora of advanced tools have surfaced, leading to a significant transformation in the approach to backend development. Reach out to Nivida Web Solutions - a noted Web development company in Vadodara and let's craft a website that sets you apart.

This analysis aims to examine the leading 20 backend development tools projected for the year 2023, which possess the potential to optimise operational effectiveness, raise work output, and achieve exceptional outcomes.

1. Node.js:

Node.js continues to be a prominent contender in the realm of backend development, offering a resilient framework for constructing scalable, server-side applications through the utilisation of JavaScript. The asynchronous and event-driven nature of the system renders it highly suitable for real-time applications and microservices.

2. Express.js:

Express.js is a Node.js framework that offers a basic and flexible approach to backend development. It achieves this by providing streamlined routing, efficient handling of HTTP requests, and effective management of middleware. The software possesses a high degree of extensibility, allowing developers to create tailored solutions.

3. Django:

Django, a renowned Python framework, is widely recognised for its exceptional performance, robust security measures, and remarkable scalability. The framework adheres to the "batteries-included" principle, providing a wide range of pre-installed functionalities and libraries that enhance the speed and efficiency of the development process.

4. Flask:

Flask, an additional Python framework, is characterised by its lightweight nature and user-friendly interface. The framework offers fundamental capabilities for backend development and enables developers to incorporate additional functionalities as required, thus rendering it very adaptable.

5. Spring Boot:

Spring Boot, which is built on the Java programming language, streamlines the process of creating applications that are ready for deployment by employing a convention-over-configuration methodology. The platform provides a variety of functionalities to construct resilient and scalable backend systems. Embark on a digital journey with Nivida Web Solutions - the most distinguished Web development company in Gujarat. Let's create a stunning, functional website tailored to your business!

6. Ruby on Rails:

Ruby on Rails, also referred to as Rails, is renowned for its high level of efficiency and user-friendly nature. The framework employs the Ruby programming language and places a strong emphasis on convention over configuration, facilitating expedited development processes.

7. ASP.NET Core:

ASP.NET Core is a highly adaptable and efficient cross-platform framework that facilitates the development of backend solutions through the utilisation of the C# programming language. The product provides exceptional performance, robust security measures, and effortless compatibility with many systems.

8. Laravel:

Laravel, a framework developed using the PHP programming language, is well-acknowledged for its sophisticated syntax and user-centric functionalities. The utilisation of this technology streamlines intricate operations such as authentication, caching, and routing, hence facilitating an expedited development procedure.

9. NestJS:

NestJS is a Node.js framework that adheres to the architectural patterns established by Angular, hence exhibiting a progressive nature. The software possesses a high degree of modularity, hence facilitating the scalability and maintenance of applications. NestJS places a strong emphasis on the principles of maintainability and testability.

10. RubyMine:

RubyMine is an influential integrated development environment (IDE) designed specifically for the purpose of facilitating Ruby on Rails development. The software provides advanced code assistance, navigation, and debugging functionalities, hence augmenting the efficiency of Ruby developers. Looking for a standout web presence? Let Nivida Web Solutions - the most popular Web development company in India craft a website that impresses. Reach out now and let's get started!

11. PyCharm:

PyCharm, an integrated development environment (IDE) designed specifically for the Python programming language, is extensively utilised in the realm of backend development. The software offers intelligent code completion, comprehensive code analysis, and integrated tools to facilitate fast development and debugging processes.

12. IntelliJ IDEA:

IntelliJ IDEA, a widely utilised integrated development environment (IDE), provides comprehensive support for multiple programming languages, encompassing Java, Kotlin, and many more. The software is renowned for its advanced coding assistance and efficient capabilities, which greatly assist backend developers in producing code of superior quality.

13. Visual Studio Code (VSCode):

VSCode is a code editor that is known for its lightweight nature and open-source nature. Due to its extensive extension library and high level of customizability, this platform is widely favoured by backend developers due to its versatile nature.

14. Postman

Postman is an efficient and powerful application programming interface (API) testing tool that streamlines the process of doing backend testing and facilitating communication among developers. This tool facilitates the efficient design, testing, and documentation of APIs, hence assuring a smooth integration process. Every click counts in the digital world. Partner with Nivida Web Solutions - one of the top  Web development companies in Vadodara to create a user-friendly, engaging website. Choose Nivida Web Solutions to boost your online impact!

15. Swagger:

Swagger, currently recognised as the OpenAPI Specification, serves to enable the process of designing, documenting, and evaluating APIs. The standardised structure of API description facilitates the seamless and uncomplicated integration process.

16. MongoDB:

MongoDB, a widely adopted NoSQL database, has notable advantages in terms of scalability, flexibility, and superior performance. Due to its capacity to effectively manage substantial quantities of data and accommodate various data models, it is extensively employed in the realm of backend development.

17. PostgreSQL:

PostgreSQL, an open-source relational database management system, is widely recognised for its robustness, adaptability, and comprehensive SQL capabilities. This option is highly recommended for projects that necessitate a resilient backend data repository.

18. Redis:

Redis is an essential component for caching and real-time analytics due to its ability to store data structures in memory. The indispensability of this technology lies in its high performance and its capability to effectively manage data structures, hence facilitating the optimisation of backend processes.

19. Kafka:

Apache Kafka is a distributed streaming platform that handles real-time data processing. It's commonly used for building scalable, fault-tolerant backend systems that require high-throughput data ingestion and processing. Dive into the digital era with a website that wows! Collaborate with Nivida Web Solutions - one of the leading Web development companies in Gujarat and boost your online presence.

20. Docker:

Docker is a containerization technology that facilitates the streamlined deployment and scalability of programs. The utilisation of containers enables backend developers to encapsulate their programmes and associated dependencies, hence ensuring uniformity and adaptability across diverse contexts.

Final Thoughts:

It is of utmost importance for developers to be updated on the most recent backend development technologies in order to effectively offer applications that are efficient, scalable, and safe. The compendium of the foremost 20 backend development tools projected for the year 2023 encompasses an extensive array of functions, adeptly accommodating the multifarious requirements of backend development endeavours. These technologies provide developers with the ability to enhance their backend development endeavours and provide users with outstanding experiences, whether through the creation of real-time applications, database management, or performance optimisation. Your website is your digital storefront. Make it appealing! Contact Nivida Web Solutions - one of the most renowned Web development companies in India and design a website that captivates your audience. Get started now!

[veridical-technologies]

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[quietmarie]

What am I working on right now?

I realise I haven't really listed what I am doing and have been doing in terms of projects on Tumblr so far, so in case you're curious what I'm doing, here you go. With images and all this is gonna be quite lengthy, so have a look under the cut:

First of all, Job and Uni:

At the start of the month, the new uni semester begun, and I also got a job in programming! Uni courses are pretty chill this year, and I'm at the job two days a week. It's really nice so far, and it involves developing algorithms used for CAM and CNC-machines.

As a uni project I did..

A physics engine for Godot:

Godot is a game engine. As part of an uni course, two fellow students and I wrote the mathsy bulk of a physics engine for it. This includes stuff like collision handling and various joints (like hinge joints you'd use for a physics-based door etc.), but because of time constraints doesn't include collision detection, which is handled by Bullet. Outside of the planned curriculum, I also derived the equations for and implemented rope joints, which simulate, well, ropes.

And currently, outside of uni, I still want to work on the engine by implementing..

Portals:

Yea I want to implement portals using the custom physics engine we built. But not just portals as Valve did them, that would be too easy. I want them to be able to move and interact with other objects while remaining physically accurate (or, as physically accurate as they can be considering they're portals). The current state of things:

The dream is to be able to build gorgeous architecture, like, I'm thinking buildings resting on top of pillars that are always moving. If I can get this to work I really ought to discuss the vision with some artists and creative folk in general, because I feel like there's so much unexplored creativity in art with portals. But yeah, there's still a lot of very intimidating maths/physics until I get there.

As for other private/free-time projects..

SSBToni:

SSBToni is probably my most ambitious project yet. Toni is a Discord bot for the competitive Super Smash Bros. community (currently in 1.9k servers wowee). Her main selling point is the ability to show frame data and hitbox gifs, but she can also do some other stuff like guide you through a full match of Smash Bros. according to a range of competitive rulesets, from rock-paper-scissors through stage bans all the way to game reporting. She's written in Java with JDA, and her code is hosted here.

I want to do ranked matchmaking and Smash profile images later on, so I have to do some web backend work. The bulk of that is private still, but some of that spun off into separate projects which are..

instant-glicko-2:

The Glicko-2 rating system is great, but it has some issues if you want to use it for real-time ratings/rankings. This Rust library aims to solve these issues to allow for good real-time rankings that are still accurate to the Glicko-2 system. I wrote about how I achieve that here, and the code is hosted here. Note that I do want to change some stuff still which I don't mention in the article I wrote, and in the current form it is probably not production-ready.

cache-compute:

In all honesty, maybe my proudest public thing yet, and it's a single-file ~500 line Rust crate. Based on this blogpost by fasterthanlime, the library makes caching for async stuff much easier, which is gonna be extremely useful in web backend stuff. If a resource isn't available locally (cached), you might have to spend some time making a request to get it from elsewhere to cache it. This library makes sure you only make that request once when you need it, and sorts everything out so that everyone waiting on the resource gets a copy the moment it arrives.

Part of why I'm so proud of this is that, for one, I consider the core finished and very much usable, and secondly, because I wrote so many and such long and exhaustive tests for it, just to hopefully be able to catch any weirdness that comes up. Because writing this kind of concurrent code is hard.

And that's it for projects I would want to show off and write about.

There are of course always ideas in my idea list (currently four or five good ones I'm not working on), maybe I'll post about those too sometime. If you're curious or starved for ideas feel free to ask about them too, I don't think I'll be able to do all of them and the list is only growing larger.

[matthewzkrause]

Tired of Paying for Tools? These 40 Open-Source Alternatives Have You Covered?

Let’s be real for a second.

We’ve all been there—mid-project, mid-semester, or mid-burnout—when a paid tool throws up a paywall and asks for $19.99/month just to export your file. It stings, especially when you’re trying to keep your budget lean.

But here’s the good news: the open-source community has your back. 💪 There are dozens of completely free, insanely powerful tools that can do (almost) everything their paid counterparts can—without locking your best features behind a subscription.

Whether you're a freelancer, student, startup founder, or just someone who loves great software, this list is your new toolbox.

🚀 Why Open-Source Is the Underdog That Wins Before we dive in, let’s clarify something: Open-source ≠ low quality. In fact, some of the world’s biggest companies (Google, NASA, Netflix) use open-source tools every day. These aren’t sketchy knockoffs—they’re community-powered, security-tested, and constantly evolving.

Now, let’s talk about the 40 free tools that could save you hundreds—or even thousands—of dollars a year.

🧠 Smart Swaps for Everyday Tools

LibreOffice → Ditch Microsoft Office Docs, Sheets, Presentations—all offline, all free.

OnlyOffice → Google Docs Vibes, but Yours Looks and feels like MS Office, works online or self-hosted.

Joplin → Evernote for Nerds Markdown-based, syncs securely, and doesn’t sell your notes.

Zettlr → Perfect for Writers & Academics Citation support + distraction-free writing.

🌐 For Browsing, Email & Team Chat

Firefox → More Privacy, Less Google Extensible and fast—and they don’t track you.

Brave → Built-in Ad Blocker? Yes Please Faster browsing + rewards system.

Thunderbird → Outlook Without the Overkill Email, calendar, and to-do list in one clean interface.

Mattermost → Slack Without the Bill Your team chat, your server, your rules.

Jitsi Meet → Free Video Calls—No Sign-Up Needed Start a call with a link. Done.

🎨 Designers & Creators, Rejoice

GIMP → Photoshop for the People Yes, it’s that powerful. Yes, it’s free.

Inkscape → Vector Design Like a Boss Great for logos, icons, and print design.

Krita → Digital Painting Heaven Designed by artists, for artists.

Blender → Hollywood-Grade 3D Modeling Used in actual movies. Free forever.

Darktable → Lightroom Without the Monthly Bill RAW editing + professional workflow.

🎧 Audio & Video Editing

Audacity → Podcasting, Remixing, Editing, Easy Intuitive multi-track editor.

OBS Studio → Streaming & Screencasting Gold What Twitch streamers use. Seriously.

Shotcut → Video Editing That Just Works Cross-platform and powerful.

Olive → Modern Video Editor in the Making Sleek, promising, and growing fast.

👨‍💻 Developers, You’re Going to Love These

VSCodium → VS Code Without Microsoft Tracking Same editor, privacy-respecting build.

Atom → Hackable to the Core Loved by web devs and hobbyists.

Eclipse → Java Devs’ Old-School Favorite Still rock-solid.

NetBeans → Full IDE for Polyglot Coders Good for Java, PHP, and C++.

Hoppscotch → Postman Without the Bloat Runs in your browser, free forever.

MariaDB / MySQL → Free SQL Workhorses The backbone of many web apps.

SQLite → Tiny, Powerful, Portable Database No server required. Zero config.

✅ Organize Your Life (and Work)

Wekan → Trello Clone, But Open Kanban boards made simple.

Focalboard → Self-Hosted ClickUp Alternative Task management that respects your data.

Redmine → Jira's Open Twin Great for bug tracking & agile workflows.

Taskcafe → Asana-Style, Cleaner Interface New kid on the block, with potential.

🔐 Privacy Tools That Feel Like Superpowers

Bitwarden → Best Password Manager, Hands Down Cloud, browser, and mobile support.

KeePassXC → Local, Bulletproof Password Vault For privacy purists.

Tutanota → Private Email That Just Works End-to-end encrypted email, minimal design.

Pi-hole → Block Ads on Your Entire Network Install it on a Raspberry Pi and say goodbye to web ads.

☁️ Sync, Store, and Share Files Securely

Nextcloud → Your Own Google Drive Private cloud, full control.

Syncthing → Dropbox, But Peer-to-Peer No servers. Just your devices talking securely.

rclone → Cloud Storage on the Command Line Sync anything, anywhere.

📊 Data, Dashboards & Decisions

Metabase → BI Dashboards Without the Headache Plug in your data, get answers fast.

Grafana → DevOps’ Favorite Dashboard Tool Real-time, customizable graphs.

Apache Superset → Data Exploration for Pros Used by Airbnb, Netflix, and more.

🤖 Bonus: Automate All the Things

AutoHotKey → Make Your Computer Work For You Automate anything on Windows. Seriously.

🌍 Your Wallet and Your Future Will Thank You Switching to open-source isn’t just about saving money (though that’s nice). It’s about:

💻 Owning your tools

🔐 Protecting your privacy

🌱 Supporting innovation and community

🧰 Having control over your workflow

These tools are built by people like you, for people like you. Try just a few of them, and you’ll wonder why you ever paid in the first place.

[saurabhgupta]

How to Make the Most of Online Java Training Resources

In today’s digital age, learning Java has become more accessible than ever, thanks to a variety of virtual learning platforms. Whether you're a student, working professional, or career changer, you can harness the power of online education to gain strong programming skills. The key lies in how effectively you use the available resources. With so many platforms offering online java training, it’s essential to develop a smart learning strategy that combines structure, practice, and support.

Identify the Right Platform

Not all training platforms are created equal. Some are known for their structured syllabus, while others focus on peer interaction or mentor support. It’s crucial to choose a platform that fits your learning style. Look for reviews, trial classes, and course outlines. A good platform should cover both basic and advanced Java topics such as object-oriented programming, collections, multithreading, JDBC, and frameworks like Spring and Hibernate.

Build a Custom Learning Schedule

Online learning offers flexibility, but that freedom also demands discipline. Begin by setting achievable goals and timelines. Divide your syllabus into manageable parts and allocate specific hours each day or week for studying. Use tools like planners or calendar apps to maintain consistency. Staying organized will keep you from getting overwhelmed and will help you make steady progress.

Combine Theory with Practical Coding

Merely watching tutorials or reading documents isn't enough to master Java. As you learn new concepts, immediately apply them by writing and testing code. Utilize integrated development environments (IDEs) like IntelliJ IDEA or Eclipse to practice. Many online platforms provide coding sandboxes or project builders—take full advantage of these to deepen your understanding.

Participate in Challenges and Projects

One of the most effective ways to solidify your learning is by taking part in real-world projects and coding challenges. Websites like HackerRank, LeetCode, and CodeChef host Java coding problems ranging from beginner to advanced levels. These platforms help improve your logical thinking and problem-solving skills, which are crucial for job readiness.

Join Peer and Mentor Communities

The online learning journey can sometimes feel isolating, but it doesn’t have to be. Engage with fellow learners through forums, Discord groups, or platform-specific communities. Ask questions, participate in discussions, and share your code. Some platforms also offer mentorship programs, connecting you with experienced professionals who can guide your progress.

Focus on Core Concepts Before Advanced Topics

It’s tempting to jump straight into popular frameworks like Spring Boot or Hibernate, but without a solid understanding of core Java, it’s easy to get lost. Spend ample time on fundamentals such as variables, loops, conditionals, arrays, and OOP principles. Once these are second nature, transitioning into advanced topics becomes smoother and more productive.

Keep Learning Interactive and Fun

Monotony can kill motivation. Keep things interesting by mixing up your learning resources. Alternate between video lectures, articles, coding exercises, and podcasts. You can even join virtual study groups or attend live webinars to break the routine and get fresh perspectives.

Take Notes and Document Your Learning

Maintaining a digital or handwritten notebook can significantly boost your retention. Jot down code snippets, commands, and key takeaways from each lesson. These notes will serve as a quick reference guide when you start working on projects or preparing for interviews.

Evaluate Progress Through Mock Tests

Most online platforms offer quizzes and mock tests—don’t skip them. These tests not only reinforce what you’ve learned but also help you identify weak areas. Regular assessments are a great way to measure your improvement and build confidence.

Explore Integration with Other Skills

Once you’re comfortable with Java, explore how it connects with other domains like databases, front-end development, or mobile app development. Expanding your skill set adds value to your profile and opens up broader career opportunities.

Platforms like Traininglobe provide well-structured Java learning paths that include hands-on assignments and industry-relevant projects, which enhance your portfolio and improve your job prospects.

Application in Related Fields

As you grow more confident with Java, it's helpful to understand how coding skills apply in broader tech fields. For instance, designing responsive web applications often involves a cross-functional approach. Understanding technologies tied to courses website design gives you a full-stack perspective and increases your versatility as a developer.

Conclusion

Online Java training resources offer more than just convenience—they offer a personalized and rich learning experience. The trick to getting the most from these resources lies in setting clear goals, staying consistent, engaging with communities, and applying what you learn. By combining self-discipline with interactive tools and expert guidance, you can build a solid foundation in Java programming and confidently move toward your career goals. Keep exploring, stay curious, and let your journey with Java be as dynamic as the language itself.

[itonlinetraining12]

How Does Quality Assurance Testing Training Prepare You for Real-World Projects?

In today’s fast-paced digital economy, the demand for software that works flawlessly has never been greater. With users expecting seamless functionality and businesses relying on software for operations, Quality Assurance (QA) Testing plays a pivotal role in ensuring product success. But how do you bridge the gap between classroom training and real-world QA projects?

This blog explores how Quality Assurance Testing Training prepares professionals to tackle real-world challenges, work in collaborative environments, and deliver defect-free software confidently.

Why Quality Assurance Testing Is Crucial in Real Projects

Every software product undergoes rigorous development cycles. During this time, errors (or “bugs”) can creep in due to human error, complexity, or miscommunication. Without robust QA processes, these defects can lead to:

Poor user experiences

Financial losses

Security vulnerabilities

Reputational damage

That’s where QA professionals step in. But to perform effectively in real-world environments, training is essential. It transforms beginners into skilled QA testers ready for project demands.

What Real-World Projects Expect from QA Professionals

Before diving into how training helps, let’s look at what’s expected from QA testers in actual work environments:

Writing detailed test cases and test plans

Understanding business requirements and translating them into test scenarios

Using tools like JIRA, Selenium, TestRail, or Postman

Conducting different types of testing: manual, automation, regression, unit, and integration

Reporting and tracking bugs clearly

Collaborating with developers, project managers, and stakeholders

Adhering to Agile or DevOps methodologies

Meeting deadlines under pressure

A robust QA Testing Training program equips learners to meet these exact expectations.

Key Components of Quality Assurance Testing Training

A well-structured training program covers a wide range of concepts, methodologies, tools, and soft skills. Here are the essential components that align training with real-world project demands:

1. Fundamentals of Software Testing

Training starts with the core principles:

SDLC (Software Development Life Cycle)

STLC (Software Testing Life Cycle)

Testing types: black box, white box, unit, system, acceptance, and more

Levels of testing: smoke, sanity, regression, and re-testing

These concepts are foundational to any QA project.

2. Manual Testing Techniques

Manual testing is often the first skill learners acquire. It teaches:

How to analyze requirements

Writing test cases and test scenarios

Performing exploratory testing

Reporting bugs using bug tracking tools Manual testing builds a strong base for understanding how software should behave.

3. Automation Testing Skills

In most projects today, automation testing is a must. Training includes:

Writing test scripts using Selenium WebDriver

Understanding Java, Python, or JavaScript for test scripting

Creating test frameworks using TestNG or JUnit

Integrating with CI/CD tools like Jenkins

Automation boosts productivity and is vital for Agile projects.

4. Tools Used in Real-World QA Projects

Hands-on practice with popular industry tools prepares you for project environments:

JIRA for issue tracking

Selenium for automation

TestRail or Zephyr for test case management

Postman for API testing

GitHub for version control

Jenkins for continuous integration

Knowing these tools increases your project-readiness significantly.

5. Agile and Scrum Methodologies

Most QA projects today follow Agile, not Waterfall. QA Training includes:

Understanding Scrum roles (Scrum Master, Product Owner, Team)

Participating in sprint planning and daily standups

Writing user stories and test scenarios

Testing within short iterations (sprints)

This prepares you to fit into modern software teams seamlessly.

6. Bug Reporting and Communication Skills

Reporting bugs isn't just about noting “it doesn’t work.” You must:

Write detailed bug reports

Assign severity and priority

Reproduce issues reliably

Communicate with developers and project managers

Training refines your ability to communicate clearly a vital real-world skill.

7. Project Simulations and Capstone Projects

High-quality training includes simulated projects. These are mini real-world environments where you:

Work with sample requirements

Execute testing cycles

Collaborate with “teams” (other students or instructors)

Present test reports

Capstone projects bridge the gap between theory and real-world project experience.

Real-World Scenarios Covered in QA Training

Scenario 1: Testing an E-Commerce Website

You simulate real-world tasks like:

Verifying the shopping cart flow

Checking payment gateway integration

Validating user registration and login

Handling coupon code logic

Regression testing after a feature update

These tasks are common in client projects across domains.

Scenario 2: API Testing for a Mobile App

You learn how to:

Use Postman to test backend APIs

Validate JSON responses

Check API security (authentication headers)

Integrate with mobile development teams

APIs drive modern web and mobile apps, and this is a critical area of testing.

Scenario 3: Agile Sprint Planning and QA Involvement

You participate in:

Sprint planning

Writing test cases from user stories

Testing within sprint timelines

Reporting bugs before the sprint demo

This prepares you for working in Agile teams in companies of all sizes.

Placement & Job Readiness

Many QA training programs also include:

Mock interviews

Resume-building workshops

Interview question banks

Job placement assistance

You walk away with not just knowledge but a career launchpad.

Companies look for candidates who can contribute from Day 1. With proper training, you’ll be job-ready, confident, and competent to take on QA responsibilities in real projects.

Real Testimonials from QA Trainees

“I transitioned from teaching to QA after taking an online course. The training included real tools like JIRA and Selenium. In my current job, I use them every day.”   Anjali, QA Analyst at a Fintech Startup

“What helped me the most were the mock projects. They simulated the kind of deadlines and challenges I now face at work. The course didn’t just teach me testing taught me how to think like a tester.”   Rakesh, QA Engineer at an E-commerce Company

Certifications That Boost Real-World Credibility

Completing QA training often prepares you for certifications like:

ISTQB (International Software Testing Qualifications Board)

Certified Selenium Professional

Agile Testing Certification

These boost your credibility and show potential employers that you’re serious about your profession.

How to Choose the Right QA Testing Training

To ensure your training truly prepares you for real-world projects, look for:

Hands-on project work

Instructor-led sessions with industry experience

Access to real tools and environments

Updated curriculum (Agile, CI/CD, APIs)

Placement support and mock interviews

A good training provider gives you both theory and practicals, ensuring you’re not lost once hired.

Conclusion:

Quality assurance tester training is more than just learning about bugs, it’s about learning how software works, how teams collaborate, and how to deliver quality under pressure.

The transition from a trainee to a real-world QA professional becomes smoother when the training is immersive, practical, and project-based. Whether you're from a technical or non-technical background, if you're passionate about detail, logic, and quality, a QA testing course can open doors to a rewarding IT career.

Key Takeaways

QA Training equips you with hands-on experience using real tools.

You learn to operate in Agile, DevOps, and CI/CD environments.

Project simulations ensure you’re not just ready to pass tests, but ready to thrive in QA roles.

Certifications and placement support give you a career edge.

Need guidance on which QA Testing course suits your goals? Start your journey toward a high-demand QA career with a program that mirrors the real world.

[divya4567]

What to Expect from a Good Software Testing Course Curriculum

In today’s tech-driven world, software testing has moved far beyond simply finding bugs. It's now a strategic, high-demand skill that plays a vital role in delivering quality software products. Whether you're a fresher looking to enter the IT industry or a working professional planning a career shift, choosing the right software testing course is a critical first step.

But how do you know if the curriculum is truly worth your time and money?

Here’s a breakdown of what you should expect from a good software testing course curriculum — so you can make a confident, informed decision.

1. Strong Foundations in Manual Testing

Every good tester starts with the basics. A solid course begins with manual testing fundamentals — covering Software Development Life Cycle (SDLC), Software Testing Life Cycle (STLC), test case design, bug life cycle, and requirement analysis. These are not just theoretical concepts but the backbone of practical testing skills.

2. Hands-On Practice with Real-World Projects

Testing cannot be learned by theory alone. A good course provides live projects and case studies where students can apply their knowledge in realistic scenarios. From writing test cases to executing them and reporting bugs, real-world exposure builds confidence and prepares learners for the job market.

If you're considering a Software Testing Course in Pune, look for training providers that emphasize practical learning and offer access to industry projects.

3. Exposure to Automation Testing Tools

Automation is now a key part of almost every QA process. The course should introduce you to tools like Selenium, TestNG, and Maven, along with scripting basics in Java or Python. Even at an introductory level, knowing how automation works gives you a competitive edge.

You should also learn when to use automation — and more importantly, when not to.

4. Introduction to API and Performance Testing

A well-rounded curriculum includes exposure to advanced areas like API Testing (using tools like Postman or Rest Assured) and Performance Testing (with JMeter or similar tools). These skills are often requested by recruiters and can significantly expand your job opportunities.

5. Industry Tools and Platforms

Look for training that includes hands-on use of popular tools such as:

JIRA – for bug tracking and project management

Git/GitHub – for version control

CI/CD basics – to understand integration with DevOps environments

This practical knowledge makes you job-ready from day one.

6. Soft Skills & Interview Readiness

Technical skills are essential, but soft skills and interview preparation matter too. A good course will help you build a strong resume, prepare for common QA interview questions, and even conduct mock interviews to build your confidence.

7. Certification & Placement Support

A recognized certification (e.g., ISTQB Foundation Level) adds credibility to your profile. Choose a course that either prepares you for certification exams or offers its own industry-acknowledged certificate. Bonus if they help with placements or internship opportunities, especially if you’re based in Pune.

That’s why enrolling in a Software Testing Course in Pune from a reputed training center with placement support can give you a strong start in the QA industry.

Final Thoughts

A great software testing course is more than just recorded lectures or theoretical notes. It’s a well-balanced mix of core concepts, hands-on tools, real-time projects, and industry exposure — everything you need to grow from a beginner to a confident QA professional.

So before you sign up, ask yourself: Does the curriculum match these standards?

About Skillio

Skillio is a forward-thinking skill development platform that offers practical, project-driven training in software testing, automation, and QA tools. With experienced mentors, real-world assignments, and placement assistance, Skillio helps learners become truly job-ready.

Testing Shastra is now Skillio — rebranded with a broader vision, the same passion for quality learning.

To get more information about such IT courses from Skillio,

Contact details —

Website: https://helloskillio.com/

Address: 504, Ganeesham E, Pimple Saudagar, Pune.

Email: info@helloskillio.com

Get directions

[digitalskills-hub]

Top 5 JAVA Institute in Chandigarh: Launch Your Programming Career with Confidence

If you're aiming for a career in software development, mastering Java is one of the smartest moves you can make. Java remains a cornerstone in enterprise applications, Android development, web apps, and backend systems. For aspiring developers in North India, Chandigarh offers some of the best coaching and training options. To help you get started, here’s a list of the Top 5 JAVA Institute in Chandigarh that offer industry-oriented training, experienced mentors, and hands-on coding practice.

1. CBTISS (CBitss Technologies)

CBitss Technologies stands out as a premier Java training institute in Chandigarh. They focus on delivering high-quality education combined with practical knowledge. Whether you're a beginner or someone with basic programming skills, their Java course is designed to take you to the next level.

Key Features:

Core Java and Advanced Java training

Real-time projects and assignments

Interview preparation and placement support

Certified and experienced trainers

The course starts from the fundamentals like variables, loops, and object-oriented programming, gradually advancing to JDBC, Servlets, JSP, and frameworks like Hibernate and Spring. Their hands-on approach ensures that students build real-world skills, not just theoretical knowledge.

2. Webtech Learning

Webtech Learning has carved out a solid reputation in the tech training ecosystem of Chandigarh. Their Java development course offers both classroom and online learning modes, accommodating students from various backgrounds.

Why Choose Webtech Learning?

ISO-certified institute with over 12 years of training experience

Extensive focus on practical coding

Live project training with GitHub portfolio support

Resume and soft skills development

They also offer combo packages that include Java along with data structures and algorithms—ideal for students preparing for tech job interviews.

3. Morph Academy

Morph Academy is another top contender for Java training in Chandigarh. Known for its creative and tech-centric training environment, Morph Academy provides students with the skills needed to survive and thrive in the software development world.

Program Highlights:

Complete Java ecosystem: Core, Advanced, JDBC, and Web Technologies

Weekend and fast-track batches

Free trial classes and career counseling

Internship opportunities after course completion

Morph Academy doesn’t just teach you how to code—they prepare you to build scalable, real-world applications from scratch.

A Note on MERN Stack

While Java remains an excellent language for enterprise-level and Android development, the MERN Stack (MongoDB, Express.js, React.js, Node.js) is gaining massive popularity in the world of full-stack development. Learning MERN Stack opens doors to high-demand job roles in modern web app development. Some of the Java institutes in Chandigarh also offer MERN Stack training, making it easier for students to diversify their skill sets and choose between backend and full-stack career paths.

4. RV Technologies

RV Technologies is a software development company that also offers training in Java and other programming languages. Their Java course is highly job-oriented and comes with real-time project exposure.

Standout Features:

Training from experienced software engineers

Focus on logic building and problem-solving

Work on real-time client projects

Opportunity to get absorbed in their in-house development team

RV Technologies is best suited for students who want to gain actual corporate exposure while learning Java.

5. ThinkNEXT Technologies

ThinkNEXT is a certified training organization and one of the most reputed tech institutes in Chandigarh. Their Java course includes both theory and practical knowledge, with plenty of emphasis on real-world applications.

What to Expect:

Comprehensive curriculum from basics to advanced topics

Free personality development and interview skills sessions

Access to video tutorials and eBooks

Strong placement assistance with tie-ups in the IT industry

They also encourage students to work on capstone projects that mimic industry standards, giving them a competitive edge in job interviews.

How to Choose the Right Java Institute?

Choosing the right Java institute can determine how well-prepared you’ll be for a career in tech. Here's what to look for:

Qualified Faculty: Instructors with real-world experience can offer valuable insights and mentoring.

Hands-On Practice: Theory is important, but coding daily and solving problems is the only way to get better.

Updated Curriculum: Java has evolved over the years. Ensure the course includes modern tools and frameworks.

Certifications: A recognized certificate can enhance your resume.

Placement Assistance: Institutes that help with internships and job placements give you a direct path into the workforce.

Final Thoughts

Java continues to be one of the most powerful and versatile programming languages in the world. With its wide applications in enterprise solutions, mobile development, and web services, Java remains a top choice among developers and organizations alike.

If you’re based in Chandigarh or planning to relocate here for training, these Top 5 JAVA Institute in Chandigarh offer everything you need to become a proficient and job-ready Java developer. From hands-on training to placement support, these institutes ensure you get the best possible start in your tech career.

Whether you're an engineering student, a graduate exploring career options, or a working professional looking to upskill—now is the perfect time to invest in Java training. Choose wisely, stay consistent, and you'll be writing clean, efficient code in no time!

[nmietbbsr]

How BTech CSE Can Lead to High-Paying Tech Jobs in India

If you’re a 12th standard student eyeing a BTech in Computer Science and Engineering (CSE), you’re probably wondering what kind of career awaits you. As a mentor who’s seen the tech landscape grow, I’m here to walk you through how a BTech CSE can unlock high-paying tech jobs in India by 2025. Let’s explore the opportunities, skills, and steps to get you there, backed by solid insights to help you trust the journey.

Why BTech CSE Is a Game-Changer

A BTech in CSE is a four-year degree that equips you with skills in programming, algorithms, artificial intelligence, and more. It’s your gateway to India’s booming tech industry, which is projected to reach $350 billion by 2026, according to a 2024 NASSCOM report. With tech driving everything from e-commerce to healthcare, CSE graduates are in high demand. A 2024 TeamLease study shows that 85% of CSE students in India secure jobs within six months of graduation, far outpacing other engineering branches.

What makes CSE stand out? Its versatility. You’ll learn to build software, analyze data, and secure systems—skills that top companies like Cognizant and IBM value. Places like the NM Institute of Engineering and Technology (NMIET) in Bhubaneswar offer hands-on labs and industry-aligned curricula, ensuring you’re job-ready from day one.

High-Paying Tech Jobs for CSE Graduates

Let’s dive into the exciting career paths you can pursue with a BTech CSE in 2025, along with their earning potential:

Software Engineer: You’ll design and develop applications, from mobile apps to cloud platforms. A 2024 LinkedIn report notes a 22% annual growth in software engineering roles in India, with starting salaries of ₹6-12 LPA. Companies like Capgemini hire freshers for these positions.

Data Scientist: If you love uncovering insights from data, this role is for you. Data scientists help businesses make informed decisions, and India’s analytics market is expected to hit $16 billion by 2025 (per EY). Entry-level salaries range from ₹8-14 LPA.

AI/ML Engineer: Artificial intelligence is transforming industries. As an AI engineer, you’ll create systems like chatbots or recommendation engines. The World Economic Forum predicts AI will generate 1.5 million jobs in India by 2027, with starting pay at ₹10-15 LPA.

Cybersecurity Specialist: With cyber threats rising, companies need experts to protect their systems. Cybersecurity roles are growing at 32% annually (per Cybersecurity Ventures), offering ₹7-12 LPA for freshers.

Cloud Engineer: Cloud platforms like AWS are critical for businesses. India’s cloud market is set to reach $17 billion by 2026 (per Gartner), and cloud engineers earn ₹8-13 LPA starting out.

These roles offer not just high salaries but also global opportunities and remote work options, making CSE a smart choice.

Skills You’ll Gain in BTech CSE

A BTech CSE program teaches you more than just coding. You’ll master languages like Python and Java, ranked among the top programming languages in the 2024 TIOBE Index. You’ll also learn data structures, databases, and emerging fields like machine learning. At the best engineering colleges in Bhubaneswar, you’ll use tools like GitHub and Jupyter Notebook in labs, building real projects like apps or AI models.

Soft skills are equally important. Group projects and internships hone your teamwork and communication, which employers prioritize. A 2024 Indeed survey found that 70% of tech recruiters value problem-solving and adaptability in freshers, skills you’ll sharpen in CSE.

How to Land These High-Paying Jobs

To turn your BTech CSE into a high-paying career, follow these steps:

Excel in Academics: Focus on core subjects like algorithms and databases. Strong grades impress recruiters at campus placements, especially at the best engineering colleges in Bhubaneswar.

Build a Portfolio: Create projects like a personal website or a data visualization tool. A 2024 HackerRank report says 65% of tech employers review portfolios during hiring.

Learn In-Demand Skills: Start with Python (free on Codecademy) and explore AI or cloud computing via Coursera. These skills make you stand out.

Crack Entrance Exams: Prepare for JEE Main or OJEE to secure a spot in top CSE programs. Consistent study is key.

Leverage Placements: Engage with your college’s placement cell. NMIET, for instance, has ties with firms like BYJU’s, ensuring strong job opportunities.

Why Now Is the Perfect Time

India’s tech sector is on fire, and 2025 is an ideal time to pursue BTech CSE. A 2024 McKinsey report highlights that India will need 1 million more tech professionals by 2026, with CSE grads leading the charge. High salaries, job security, and the chance to work on cutting-edge tech make this path exciting. Whether you aim to join a multinational, start a tech venture, or innovate in AI, CSE gives you the foundation to succeed.

As you plan your future, think about the impact you want to make. A BTech CSE isn’t just a degree—it’s a launchpad to a rewarding career. Start preparing, explore colleges, and take your first step toward a high-paying tech job. The industry is waiting for you!

[fromdevcom]

Java Database Connectivity API contains commonly asked Java interview questions. A good understanding of JDBC API is required to understand and leverage many powerful features of Java technology. Here are few important practical questions and answers which can be asked in a Core Java JDBC interview. Most of the java developers are required to use JDBC API in some type of application. Though its really common, not many people understand the real depth of this powerful java API. Dozens of relational databases are seamlessly connected using java due to the simplicity of this API. To name a few Oracle, MySQL, Postgres and MS SQL are some popular ones. This article is going to cover a lot of general questions and some of the really in-depth ones to. Java Interview Preparation Tips Part 0: Things You Must Know For a Java Interview Part 1: Core Java Interview Questions Part 2: JDBC Interview Questions Part 3: Collections Framework Interview Questions Part 4: Threading Interview Questions Part 5: Serialization Interview Questions Part 6: Classpath Related Questions Part 7: Java Architect Scalability Questions What are available drivers in JDBC? JDBC technology drivers fit into one of four categories: A JDBC-ODBC bridge provides JDBC API access via one or more ODBC drivers. Note that some ODBC native code and in many cases native database client code must be loaded on each client machine that uses this type of driver. Hence, this kind of driver is generally most appropriate when automatic installation and downloading of a Java technology application is not important. A native-API partly Java technology-enabled driver converts JDBC calls into calls on the client API for Oracle, Sybase, Informix, DB2, or other DBMS. Note that, like the bridge driver, this style of driver requires that some binary code be loaded on each client machine. A net-protocol fully Java technology-enabled driver translates JDBC API calls into a DBMS-independent net protocol which is then translated to a DBMS protocol by a server. This net server middleware is able to connect all of its Java technology-based clients to many different databases. The specific protocol used depends on the vendor. In general, this is the most flexible JDBC API alternative. It is likely that all vendors of this solution will provide products suitable for Intranet use. In order for these products to also support Internet access they must handle the additional requirements for security, access through firewalls, etc., that the Web imposes. Several vendors are adding JDBC technology-based drivers to their existing database middleware products. A native-protocol fully Java technology-enabled driver converts JDBC technology calls into the network protocol used by DBMSs directly. This allows a direct call from the client machine to the DBMS server and is a practical solution for Intranet access. Since many of these protocols are proprietary the database vendors themselves will be the primary source for this style of driver. Several database vendors have these in progress. What are the types of statements in JDBC? the JDBC API has 3 Interfaces, (1. Statement, 2. PreparedStatement, 3. CallableStatement ). The key features of these are as follows: Statement This interface is used for executing a static SQL statement and returning the results it produces. The object of Statement class can be created using Connection.createStatement() method. PreparedStatement A SQL statement is pre-compiled and stored in a PreparedStatement object. This object can then be used to efficiently execute this statement multiple times. The object of PreparedStatement class can be created using Connection.prepareStatement() method. This extends Statement interface. CallableStatement This interface is used to execute SQL stored procedures. This extends PreparedStatement interface. The object of CallableStatement class can be created using Connection.prepareCall() method.

What is a stored procedure? How to call stored procedure using JDBC API? Stored procedure is a group of SQL statements that forms a logical unit and performs a particular task. Stored Procedures are used to encapsulate a set of operations or queries to execute on database. Stored procedures can be compiled and executed with different parameters and results and may have any combination of input/output parameters. Stored procedures can be called using CallableStatement class in JDBC API. Below code snippet shows how this can be achieved. CallableStatement cs = con.prepareCall("call MY_STORED_PROC_NAME"); ResultSet rs = cs.executeQuery(); What is Connection pooling? What are the advantages of using a connection pool? Connection Pooling is a technique used for sharing the server resources among requested clients. It was pioneered by database vendors to allow multiple clients to share a cached set of connection objects that provides access to a database. Getting connection and disconnecting are costly operation, which affects the application performance, so we should avoid creating multiple connection during multiple database interactions. A pool contains set of Database connections which are already connected, and any client who wants to use it can take it from pool and when done with using it can be returned back to the pool. Apart from performance this also saves you resources as there may be limited database connections available for your application. How to do database connection using JDBC thin driver ? This is one of the most commonly asked questions from JDBC fundamentals, and knowing all the steps of JDBC connection is important. import java.sql.*; class JDBCTest public static void main (String args []) throws Exception //Load driver class Class.forName ("oracle.jdbc.driver.OracleDriver"); //Create connection Connection conn = DriverManager.getConnection ("jdbc:oracle:thin:@hostname:1526:testdb", "scott", "tiger"); // @machineName:port:SID, userid, password Statement stmt = conn.createStatement(); ResultSet rs = stmt.executeQuery("select 'Hi' from dual"); while (rs.next()) System.out.println (rs.getString(1)); // Print col 1 => Hi stmt.close(); What does Class.forName() method do? Method forName() is a static method of java.lang.Class. This can be used to dynamically load a class at run-time. Class.forName() loads the class if its not already loaded. It also executes the static block of loaded class. Then this method returns an instance of the loaded class. So a call to Class.forName('MyClass') is going to do following - Load the class MyClass. - Execute any static block code of MyClass. - Return an instance of MyClass. JDBC Driver loading using Class.forName is a good example of best use of this method. The driver loading is done like this Class.forName("org.mysql.Driver"); All JDBC Drivers have a static block that registers itself with DriverManager and DriverManager has static initializer method registerDriver() which can be called in a static blocks of Driver class. A MySQL JDBC Driver has a static initializer which looks like this: static try java.sql.DriverManager.registerDriver(new Driver()); catch (SQLException E) throw new RuntimeException("Can't register driver!"); Class.forName() loads driver class and executes the static block and the Driver registers itself with the DriverManager. Which one will you use Statement or PreparedStatement? Or Which one to use when (Statement/PreparedStatement)? Compare PreparedStatement vs Statement. By Java API definitions: Statement is a object used for executing a static SQL statement and returning the results it produces. PreparedStatement is a SQL statement which is precompiled and stored in a PreparedStatement object. This object can then be used to efficiently execute this statement multiple times. There are few advantages of using PreparedStatements over Statements

Since its pre-compiled, Executing the same query multiple times in loop, binding different parameter values each time is faster. (What does pre-compiled statement means? The prepared statement(pre-compiled) concept is not specific to Java, it is a database concept. Statement precompiling means: when you execute a SQL query, database server will prepare a execution plan before executing the actual query, this execution plan will be cached at database server for further execution.) In PreparedStatement the setDate()/setString() methods can be used to escape dates and strings properly, in a database-independent way. SQL injection attacks on a system are virtually impossible when using PreparedStatements. What does setAutoCommit(false) do? A JDBC connection is created in auto-commit mode by default. This means that each individual SQL statement is treated as a transaction and will be automatically committed as soon as it is executed. If you require two or more statements to be grouped into a transaction then you need to disable auto-commit mode using below command con.setAutoCommit(false); Once auto-commit mode is disabled, no SQL statements will be committed until you explicitly call the commit method. A Simple transaction with use of autocommit flag is demonstrated below. con.setAutoCommit(false); PreparedStatement updateStmt = con.prepareStatement( "UPDATE EMPLOYEE SET SALARY = ? WHERE EMP_NAME LIKE ?"); updateStmt.setInt(1, 5000); updateSales.setString(2, "Jack"); updateStmt.executeUpdate(); updateStmt.setInt(1, 6000); updateSales.setString(2, "Tom"); updateStmt.executeUpdate(); con.commit(); con.setAutoCommit(true); What are database warnings and How can I handle database warnings in JDBC? Warnings are issued by database to notify user of a problem which may not be very severe. Database warnings do not stop the execution of SQL statements. In JDBC SQLWarning is an exception that provides information on database access warnings. Warnings are silently chained to the object whose method caused it to be reported. Warnings may be retrieved from Connection, Statement, and ResultSet objects. Handling SQLWarning from connection object //Retrieving warning from connection object SQLWarning warning = conn.getWarnings(); //Retrieving next warning from warning object itself SQLWarning nextWarning = warning.getNextWarning(); //Clear all warnings reported for this Connection object. conn.clearWarnings(); Handling SQLWarning from Statement object //Retrieving warning from statement object stmt.getWarnings(); //Retrieving next warning from warning object itself SQLWarning nextWarning = warning.getNextWarning(); //Clear all warnings reported for this Statement object. stmt.clearWarnings(); Handling SQLWarning from ResultSet object //Retrieving warning from resultset object rs.getWarnings(); //Retrieving next warning from warning object itself SQLWarning nextWarning = warning.getNextWarning(); //Clear all warnings reported for this resultset object. rs.clearWarnings(); The call to getWarnings() method in any of above way retrieves the first warning reported by calls on this object. If there is more than one warning, subsequent warnings will be chained to the first one and can be retrieved by calling the method SQLWarning.getNextWarning on the warning that was retrieved previously. A call to clearWarnings() method clears all warnings reported for this object. After a call to this method, the method getWarnings returns null until a new warning is reported for this object. Trying to call getWarning() on a connection after it has been closed will cause an SQLException to be thrown. Similarly, trying to retrieve a warning on a statement after it has been closed or on a result set after it has been closed will cause an SQLException to be thrown. Note that closing a statement also closes a result set that it might have produced. What is Metadata and why should I use it?

JDBC API has 2 Metadata interfaces DatabaseMetaData & ResultSetMetaData. The DatabaseMetaData provides Comprehensive information about the database as a whole. This interface is implemented by driver vendors to let users know the capabilities of a Database Management System (DBMS) in combination with the driver based on JDBC technology ("JDBC driver") that is used with it. Below is a sample code which demonstrates how we can use the DatabaseMetaData DatabaseMetaData md = conn.getMetaData(); System.out.println("Database Name: " + md.getDatabaseProductName()); System.out.println("Database Version: " + md.getDatabaseProductVersion()); System.out.println("Driver Name: " + md.getDriverName()); System.out.println("Driver Version: " + md.getDriverVersion()); The ResultSetMetaData is an object that can be used to get information about the types and properties of the columns in a ResultSet object. Use DatabaseMetaData to find information about your database, such as its capabilities and structure. Use ResultSetMetaData to find information about the results of an SQL query, such as size and types of columns. Below a sample code which demonstrates how we can use the ResultSetMetaData ResultSet rs = stmt.executeQuery("SELECT a, b, c FROM TABLE2"); ResultSetMetaData rsmd = rs.getMetaData(); int numberOfColumns = rsmd.getColumnCount(); boolean b = rsmd.isSearchable(1); What is RowSet? or What is the difference between RowSet and ResultSet? or Why do we need RowSet? or What are the advantages of using RowSet over ResultSet? RowSet is a interface that adds support to the JDBC API for the JavaBeans component model. A rowset, which can be used as a JavaBeans component in a visual Bean development environment, can be created and configured at design time and executed at run time. The RowSet interface provides a set of JavaBeans properties that allow a RowSet instance to be configured to connect to a JDBC data source and read some data from the data source. A group of setter methods (setInt, setBytes, setString, and so on) provide a way to pass input parameters to a rowset's command property. This command is the SQL query the rowset uses when it gets its data from a relational database, which is generally the case. Rowsets are easy to use since the RowSet interface extends the standard java.sql.ResultSet interface so it has all the methods of ResultSet. There are two clear advantages of using RowSet over ResultSet RowSet makes it possible to use the ResultSet object as a JavaBeans component. As a consequence, a result set can, for example, be a component in a Swing application. RowSet be used to make a ResultSet object scrollable and updatable. All RowSet objects are by default scrollable and updatable. If the driver and database being used do not support scrolling and/or updating of result sets, an application can populate a RowSet object implementation (e.g. JdbcRowSet) with the data of a ResultSet object and then operate on the RowSet object as if it were the ResultSet object. What is a connected RowSet? or What is the difference between connected RowSet and disconnected RowSet? or Connected vs Disconnected RowSet, which one should I use and when? Connected RowSet A RowSet object may make a connection with a data source and maintain that connection throughout its life cycle, in which case it is called a connected rowset. A rowset may also make a connection with a data source, get data from it, and then close the connection. Such a rowset is called a disconnected rowset. A disconnected rowset may make changes to its data while it is disconnected and then send the changes back to the original source of the data, but it must reestablish a connection to do so. Example of Connected RowSet: A JdbcRowSet object is a example of connected RowSet, which means it continually maintains its connection to a database using a JDBC technology-enabled driver. Disconnected RowSet A disconnected rowset may have a reader (a RowSetReader object) and a writer (a RowSetWriter object) associated with it.

The reader may be implemented in many different ways to populate a rowset with data, including getting data from a non-relational data source. The writer can also be implemented in many different ways to propagate changes made to the rowset's data back to the underlying data source. Example of Disconnected RowSet: A CachedRowSet object is a example of disconnected rowset, which means that it makes use of a connection to its data source only briefly. It connects to its data source while it is reading data to populate itself with rows and again while it is propagating changes back to its underlying data source. The rest of the time, a CachedRowSet object is disconnected, including while its data is being modified. Being disconnected makes a RowSet object much leaner and therefore much easier to pass to another component. For example, a disconnected RowSet object can be serialized and passed over the wire to a thin client such as a personal digital assistant (PDA). What is the benefit of having JdbcRowSet implementation? Why do we need a JdbcRowSet like wrapper around ResultSet? The JdbcRowSet implementation is a wrapper around a ResultSet object that has following advantages over ResultSet This implementation makes it possible to use the ResultSet object as a JavaBeans component. A JdbcRowSet can be used as a JavaBeans component in a visual Bean development environment, can be created and configured at design time and executed at run time. It can be used to make a ResultSet object scrollable and updatable. All RowSet objects are by default scrollable and updatable. If the driver and database being used do not support scrolling and/or updating of result sets, an application can populate a JdbcRowSet object with the data of a ResultSet object and then operate on the JdbcRowSet object as if it were the ResultSet object. Can you think of a questions which is not part of this post? Please don't forget to share it with me in comments section & I will try to include it in the list.

[workspace25]

Best Java Training institutes in Hyderabad Ameerpet

You can get lot of teachers/classes in Ameerpet,Hyderabad.I can bet that this is the most inexpensive and best place to learn IT technologies on the earth(note-i mean cheap n best-qualifying for both)

KV Rao from Sathya -Best to cover core java(OOPs)

L.N.Rao(not sure whether he’s teaching now there),Santosh(Black book author),Natraj -These are from Naresh and well known especially for Advance java(JSP,JDBC,Servlet,MVC),Hibernet,Struts,Spring

Durga classes ,I also heard of.

C by Balu(but he moved to Google,US) as reported by my colleague

Oracle by yelankhi(earlier Naresh faculty but now teaches separately)

Murli-oracle-naresh

There are flood of classes to learn many other It skills and technologies whether it’s data science stuff(BI tools,Analytics i.e.SAS,DWH,RDBMS,machine learning,R,Python,ETL tools-Informatics,Big data technologies) or Programming languages(C,C++,Java,dot net,Android,ios),Identity manangement,BPM tools,Cloud and storage systems(Azure),SAP modules or any such thing,Ameerpet is best place.

[unicodetechnologies]

Performance checking out is essential for comparing the reaction time, scalability, reliability, speed, and aid utilization packages and net offerings below their anticipated workloads. The software program marketplace presently has diverse overall performance checking out gear. Nevertheless, whilst we talk of overall performance checking out gear, Apache Jmeter and Micro Focus LoadRunner (former HP LoadRunner) are the 2 names that routinely come to mind. Both those gear paintings nicely for detecting insects and locating obstacles of software program packages with the aid of using growing their load. But in this text we additionally would like to inform approximately our in-residence device Boomq.io. A clever manner to find out which device is applicable on your commercial enterprise wishes is to evaluate the important capabilities of Jmeter vs Loadrunner vs Boomq. In this text, we talk about the important variations among Jmeter, Loadrunner and Boomq. Jmeter Features in Performance and Load Testing Apache Jmeter has the subsequent key capabilities.

- GUI Design and Interface

- Result Analysis and Caches

- Highly Extensible Core

- 100% Java scripted

- Pluggable Samplers

- Multithreading Framework

- Data Analysis and Visualization

- Dynamic Input

- Compatible with HTTP, HTTPS, SOAP / REST, FTP, Database through JDBC, LDAP, Message-orientated middleware (MOM), POP3, IMAP, and SMTP

- Scriptable Samplers (JSR223-well matched languages, BSF-well matched languages, and BeanShell)

Pros and Cons of the Jmeter Application Jmeter is a sturdy overall performance checking-out device with numerous awesome capabilities. However, the utility nevertheless has many professionals, in addition to cons. Jmeter Advantages Here are a few key benefits that stand out the most. Available free of price Data extraction in famous reaction formats, including JSON, XML, HTML, and many others Although the Apache Jmeter has numerous benefits, it additionally has some shortcomings, which might be noted below: Doesn`t assist JavaScript so it doesn`t assist AJAX requests with the aid of using an extension Memory intake for the utility may be excessive whilst utilized in GUI mode After a sure limit, excessive reminiscence intake reasons mistakes for a big range of customers Can be hard to check complicated packages the use of JavaScript or dynamic content, including CSRF tokens. Less gifted than paid overall performance checking out gear including LoadRunner What is LoadRunner? HP Loadrunner (now Micro-Focus Loadrunner) is an especially state-of-the-art software program overall performance checking out a device that detects and stops overall performance troubles in net packages. It makes a specialty of detecting bottlenecks earlier than the utility enters the implementation or the deployment phase. Similarly, the device is extraordinarily useful in detecting overall performance gaps earlier than a brand-new gadget is applied or upgraded. However, Loadrunner isn't restrained from checking out net packages or offerings. The utility is likewise optimized for checking out ERP software programs, and legacy gadget utility, in addition to Web 2. zero technology. Loadrunner allows software program testers to have complete visibility over their gadget`s cease-to-cease overall performance. As a result, those customers are capable of examining every factor for my part earlier than it is going to stay. At the same time, Loadrunner additionally offers its customers especially superior forecasting capabilities for forecasting prices for up-scaling utility ability. By exactly forecasting prices associated with each software program and hardware, it's miles less difficult to decorate the ability and scalability of your utility. Loadrunner isn't open source and is owned by the era-large Hewlett Packard. Therefore, the code of the utility isn't to be had by customers. However, because the utility already gives many superior and excessive-stage checking-out capabilities, it isn`t essential to customize present capabilities. Loadrunner Features in Performance and Load Testing

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Looking for the Best Flutter App Developers in Pune?

Searching for top-tier Flutter app developers in Pune? Look no further than Associative! Our expert team crafts high-quality, cross-platform mobile apps tailored to your business needs.

Pune, a thriving hub of technology and innovation, is home to a growing number of skilled Flutter app developers. But with so many options, how do you find the right team to bring your app vision to life?

At Associative, we've assembled a talented team of Flutter experts passionate about building beautiful, high-performing, and user-friendly mobile applications. Whether you need an app for Android, iOS, or both, our developers have the expertise to deliver outstanding results.

Why Choose Flutter for Your Mobile App?

Flutter, Google's open-source UI software development kit, has rapidly become a favorite among developers worldwide. Here's why:

Cross-platform Compatibility: Develop for Android and iOS simultaneously, saving time and resources.

Fast Development: Flutter's "hot reload" feature allows for quick iterations and real-time updates, speeding up the development process.

Stunning UI: Create visually appealing and expressive user interfaces with Flutter's rich widget library.

Native Performance: Enjoy smooth, native-like performance on both Android and iOS devices.

Cost-Effective: Reduce development costs by building a single codebase for both platforms.

Why Choose Associative?

Experienced Flutter Developers: Our team possesses in-depth knowledge and experience in Flutter development.

Proven Track Record: We have a successful history of delivering high-quality Flutter apps across various industries.

Client-Focused Approach: We prioritize understanding your unique needs and goals to deliver tailor-made solutions.

End-to-End Services: From concept to launch, we provide comprehensive app development services, including UI/UX design, development, testing, and deployment.

Competitive Pricing: Get exceptional value for your investment with our competitive pricing models.

Beyond Flutter:

While Flutter is one of our core strengths, Associative offers a wide range of software development services, including:

Web Development: We build robust and scalable websites and e-commerce platforms using various technologies.

Backend Development: Our expertise extends to backend technologies like Node.js, Java, and PHP.

Cloud Computing: We leverage the power of AWS and GCP to deliver cloud-based solutions.

Blockchain Development: We can help you explore the potential of Web3 and blockchain technology.

Ready to Discuss Your Project?

If you're looking for skilled and reliable Flutter app developers in Pune, contact Associative today. We'd be happy to discuss your project requirements and provide a free consultation.

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[sunbeaminfo]

Enhance Your Programming Skills with Core Java Classes at Sunbeam Institute, Pune

Elevate your programming expertise with our comprehensive Core Java classes at Sunbeam Institute of Information Technology in Pune. Designed for students, freshers, and working professionals, our course offers in-depth knowledge of Java, from fundamental concepts to advanced techniques.

Course Highlights:

Batch Schedule: January 25, 2025 – February 17, 2025

Duration: 80 hours

Timings: 9:00 AM to 1:00 PM (Monday to Saturday)

Mode: Online and Offline options available

Fees: ₹7,500 (Online) | ₹8,000 (Offline) (Including 18% GST)

Course Syllabus:

Java Language Fundamentals: Understand Java language features, JDK, JRE, JVM, data types, and more.

Object-Oriented Programming Concepts: Learn about classes, inheritance, polymorphism, and interfaces.

Exception Handling: Master error handling, custom exceptions, and chained exceptions.

Functional Programming Fundamentals: Explore lambda expressions, functional interfaces, and method references.

Generics: Delve into parameterized types, bounded type parameters, and generic methods.

String Handling: Work with String, StringBuffer, StringBuilder, and regular expressions.

Collection Framework: Study lists, sets, maps, and Java 8 streams.

Multithreading: Understand thread life cycle, synchronization, and concurrency issues.

File I/O: Learn about file processing, serialization, and deserialization.

Reflection: Gain insights into metadata, dynamic method invocation, and reflection classes.

Why Choose Sunbeam Institute?

Sunbeam Institute is renowned for its experienced instructors and practical approach to learning. Our Core Java course is tailored to equip you with the skills necessary to excel in the software development industry. Whether you're beginning your programming journey or aiming to enhance your existing skills, our structured curriculum and hands-on training will support your career growth.

Enroll Now:

Don't miss this opportunity to advance your programming skills. Enroll in our Core Java classes today and take the next step in your career.

For more details and registration, visit our https://sunbeaminfo.in/modular-courses/core-java-classes Note: Limited seats are available. Early registration is recommended to secure your spot.