#multithreading in spring boot interview questions

[react-js-state-1]

Why Java Is Still the King in 2025—and How Cyberinfomines Makes You Job-Ready with It

1. Java in 2025: Still Relevant, Still Dominating Despite the rise of new languages like Python, Go, and Rust, Java is far from dead—it’s actually thriving.

In 2025, Java powers:

40%+ of enterprise backend systems

90% of Android apps

Global banking & fintech infrastructures

E-commerce giants like Amazon, Flipkart & Alibaba

Microservices and cloud-native platforms using Spring Boot

Java is reliable, scalable, and highly in demand. But just learning syntax won’t get you hired. You need hands-on experience, framework expertise, and the ability to solve real-world problems.

That’s exactly what Cyberinfomines delivers.

2. The Problem: Why Most Java Learners Don’t Get Jobs Many students learn Java but still fail to land jobs. Why?

❌ They focus only on theory ❌ They memorize code, don’t build projects ❌ No real understanding of frameworks like Spring Boot ❌ Can’t explain their code in interviews ❌ Lack of problem-solving or debugging skills

That’s where Cyberinfomines’ Training changes the game—we teach Java like it’s used in real companies.

3. How Cyberinfomines Bridges the Gap At Cyberinfomines, we:

✅ Teach Core + Advanced Java with daily coding tasks ✅ Use real-world problem statements (not academic ones) ✅ Give exposure to tools like IntelliJ, Git, Maven ✅ Build full-stack projects using Spring Boot + MySQL ✅ Run mock interviews and HR prep ✅ Help you create a Java portfolio for recruiters

And yes—placement support is part of the package.

4. Java Course Curriculum: Built for the Real World Core Java

Data types, loops, arrays, OOP principles

Exception handling, packages, constructors

File handling & multithreading

Classes vs Interfaces

String manipulation & memory management

Advanced Java

JDBC (Java Database Connectivity)

Servlet Lifecycle

JSP (Java Server Pages)

HTTP Requests & Responses

MVC Design Pattern

Spring Framework + Spring Boot

Dependency Injection & Beans

Spring Data JPA

RESTful API Creation

Security & authentication

Connecting with front-end apps (React/Angular)

Tools Covered

IntelliJ IDEA

Eclipse

Postman

Git & GitHub

MySQL & Hibernate

Live Projects

Library Management System

Employee Leave Tracker

E-Commerce REST API

Blog App with full CRUD

Interview Preparation

DSA using Java

Java-based coding problems

100+ mock interview questions

HR round preparation

Resume writing workshops

5. Who Should Learn Java in 2025? You should choose Java if you are:

 A fresher who wants a strong foundation

 A non-tech graduate looking to switch to IT

 A teacher/trainer who wants to upskill

 A professional aiming for backend roles

 Someone interested in Android development

A student looking to crack placement drives or government IT jobs

6. Real Success Stories from Our Java Learners

Amit (BSc Graduate) – Now working as a Java backend developer at an IT firm in Pune. Built his confidence with live projects and mock tests.

Pooja (Mechanical Engineer) – Switched from core to IT after completing Cyberinfomines’ Java program. Cracked TCS with flying colors.

Rahul (Dropout) – Didn’t finish college but now works remotely as a freelance Spring Boot developer for a US-based startup.

Every story started with zero coding experience. They ended with real jobs.

7. Top Java Careers in 2025 & Salary Trends In-demand roles include:

Java Backend Developer

Full Stack Developer (Java + React)

Android Developer (Java)

Spring Boot Microservices Architect

QA Automation with Java + Selenium

API Developer (Spring + REST)

Starting salary: ₹4.5 – ₹8 LPA (for freshers with strong skills) Mid-level: ₹10 – ₹20 LPA Freelancers: ₹1,000 – ₹2,500/hour

Java is stable, scalable, and pays well.

8. Certifications, Tools & Practical Add-Ons After training, you’ll earn:

Cyberinfomines Java Developer Certificate

Portfolio with at least 3 GitHub-hosted projects

Proficiency in IntelliJ, Maven, Git, MySQL

Resume aligned with Java job descriptions

Interview recordings and performance feedback

9. What Makes Cyberinfomines Java Training Different

✔ Human mentorship, not just videos ✔ Doubt sessions + code reviews ✔ Classes in Hindi & English ✔ Live assignments + evaluation ✔ Placement-oriented approach ✔ No-nonsense teaching. Only what’s needed for jobs.

We focus on you becoming employable, not just completing a course.

10. Final Words: Code Your Future with Confidence Java in 2025 isn’t just relevant—it’s crucial.

And with Cyberinfomines, you don’t just learn Java.

You learn how to:

Solve real problems

Write clean, scalable code

Work like a developer

Get hired faster

Whether you’re starting fresh or switching paths, our Java course gives you the skills and confidence you need to build a future-proof career.

📞 Have questions? Want to get started?

Contact us today: 📧 vidhya.chandel@cyberinfomines.com 📞 +91-8587000904-905, 9643424141 🌐 Visit: www.cyberinfomines.com

[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.

[freshyblog07]

Top Java Interview Questions and Answers You Must Know in 2025

Preparing for a Java developer role? Whether you're a fresher or an experienced candidate, being well-versed with common Java interview questions can significantly boost your confidence and chances of landing the job.

In this blog, we’ll cover the most frequently asked Java interview questions along with quick answers and explanations.

📘 Looking for a complete, detailed list of Java interview questions? 👉 Check out the full guide here: Java Interview Questions – Freshy Blog

🔹 Why Java?

Before jumping into questions, let’s quickly recall why Java is such a sought-after language:

Platform independent

Strong community support

Object-oriented

Robust memory management

Used in web, mobile, and enterprise apps

🔸 Basic Java Interview Questions

What is Java? Java is a high-level, object-oriented programming language known for its platform independence via the Java Virtual Machine (JVM).

What are the main features of Java?

Object-Oriented

Secure

Portable

Robust

Multithreaded

What is the difference between JDK, JRE, and JVM?

JDK: Development kit for Java

JRE: Environment to run Java applications

JVM: Java Virtual Machine that executes code

🔸 OOPs & Core Concepts Questions

What is inheritance in Java? Inheritance allows one class to acquire properties and methods of another class using extends.

What is the difference between method overloading and overriding?

Overloading: Same method name with different parameters in the same class

Overriding: Same method signature in child and parent class

🔸 Advanced Java Interview Questions

What is a Java ClassLoader? A part of JVM that loads classes during runtime.

What is the difference between HashMap and Hashtable?

HashMap: Non-synchronized, allows one null key

Hashtable: Thread-safe, doesn’t allow null keys/values

Explain exception handling in Java. Using try-catch-finally blocks to gracefully handle run-time errors.

📚 Want More Questions with Answers?

These are just a few of the most asked Java questions. If you're preparing for interviews and want more in-depth explanations and examples:

🔗 Visit the full post here: 👉 https://www.freshyblog.com/java-interview-questions/

It includes:

Java 8 features

Multithreading questions

Collections framework

Spring Boot & JDBC-related questions

Real interview scenarios

✅ Final Tips for Java Interviews

Practice coding daily

Build sample projects

Revise OOPs and exception handling

Study frequently used Java libraries

[yugandarsssit]

Java Developer Roadmap: How to Become a Professional in 6 Months

If you're already building a strong tech foundation at the Best Dot Net Training Institute in Hyderabad, you’re in a great position to expand your skills. Java remains one of the most in-demand programming languages in 2025, and with the right roadmap, you can become a professional Java developer in just six months.

Month 1: Core Java Basics

Start with understanding the fundamentals—data types, loops, conditionals, arrays, and object-oriented programming (OOP) concepts like classes, objects, inheritance, and polymorphism. Practice writing simple programs daily.

Month 2: Advanced Java Concepts

Move on to more complex topics like exception handling, collections framework, generics, multithreading, and file I/O operations. Build small projects like a student management system or a calculator.

Month 3: JDBC and Database Integration

Learn how to connect Java applications with databases using JDBC (Java Database Connectivity). Practice CRUD operations with MySQL or Oracle databases.

Month 4: Web Development with Servlets and JSP

Dive into web technologies. Learn how to create dynamic web applications using Servlets, JSP (JavaServer Pages), and basic HTML/CSS. This will help you understand client-server architecture.

Month 5: Frameworks – Spring and Hibernate

Master popular frameworks like Spring Core, Spring Boot, and Hibernate ORM. These are essential for real-world enterprise applications and will make your profile job-ready.

Month 6: Build Projects and Prepare for Interviews

Create at least 2–3 full-stack projects, such as a library management system or an e-commerce app. Simultaneously, start preparing for technical interviews by practicing DSA and common Java questions.

Conclusion

Becoming a professional Java developer in six months is possible with the right focus and guidance. To accelerate your journey, consider training at SSS IT Computer Education, where practical learning meets expert mentorship.

[codingbrushup]

5 Reasons to Start Java Programming with Coding Brushup Today

In the ever-evolving tech landscape, one Java programming language has consistently remained at the forefront: Java. Known for its portability, performance, and wide adoption across industries, Java is a must-have skill for anyone aspiring to become a successful developer.

If you’re considering learning Java, there’s no better place to begin than Coding Brushup. This platform is quickly gaining traction among new and experienced programmers alike for its hands-on, mentor-guided, and career-oriented training programs.

Below, we explore five compelling reasons why you should start Java programming with Coding Brushup today — and how it can unlock doors to exciting opportunities in software development.

1. Industry-Aligned Java Curriculum

One of the top reasons learners prefer Coding Brushup is its industry-aligned Java curriculum. Whether you’re starting from scratch or brushing up on your existing skills, the course is tailored to match current market demands.

The syllabus covers:

● Java syntax and data types

● Object-Oriented Programming (OOP)

● Exception handling and file I/O

● Collections, multithreading, and concurrency

● Java for web and backend development (Servlets, JSP, Spring Boot)

Unlike theoretical-heavy programs, Coding Brushup for Java developers includes real-time applications and practical examples to reinforce concepts. You’ll code, debug, and deploy actual Java-based solutions — something employers look for in candidates.

Why this matters: Java is the backbone of countless enterprise applications, Android apps, and backend systems. Learning it the right way is critical to becoming a reliable developer.

2. Hands-On Learning with Real Projects

Coding Brushup emphasizes project-based learning, which is essential for mastering Java. By working on live coding assignments and capstone projects, you learn how to:

● Build Java-based inventory or billing systems

● Create full-stack web applications using Spring Boot and MySQL

● Design REST APIs in Java

● Develop console-based games or utilities

These projects simulate real-world environments and teach critical software engineering practices such as version control, testing, and documentation.

Why this matters: Employers want Java developers who can hit the ground running. By the end of the course, you’ll have a solid portfolio that demonstrates your Java programming proficiency.

3. Mentor Support and Career Guidance

Learning to code is much easier when you have expert guidance — and Coding Brushup delivers on that front. With 1-on-1 mentorship, learners receive:

● Personalized feedback on code

● Career advice tailored to Java roles

● Mock interviews with Java developer-specific questions

● Resume and GitHub profile optimization

The platform fosters a learning community where students can collaborate, ask questions, and receive peer feedback. The goal isn’t just to teach Java but to prepare you for the Java developer job market.

Why this matters: The Java job market is competitive. Having guidance from industry mentors can make all the difference in landing your first role.

4. Certification That Boosts Your Resume

Upon completion of the Java course, Coding Brushup awards a Java Programming Certification. While skills matter most, certification provides validation of your expertise, especially if you’re a fresher or switching careers.

More importantly, the platform offers career prep services, including:

● Interview readiness programs

● Java coding challenges and assessments

● Direct job referrals and placement assistance

This makes Coding Brushup an excellent launchpad not just for learning Java — but for becoming a certified, job-ready Java developer.

Why this matters: Certification plus real-world experience makes your profile stand out to recruiters.

5. Future-Proof Skills and Versatility

Java is far from being an outdated language. In fact, it powers:

● 90% of Fortune 500 companies’ backend systems

● Millions of Android apps

● Big data platforms like Hadoop

● Cloud and enterprise solutions with Spring and Spring Boot

Learning Java programming equips you with the skills to work across domains — web development, mobile, enterprise, and even finance and health tech sectors.

Moreover, with frameworks like Spring Boot and Hibernate, Java continues to adapt to modern development practices, making it highly relevant in today’s tech stack.

Why this matters: Java’s versatility makes it a great long-term investment in your development career.

Final Thoughts: Why Start Java with Coding Brushup?

If you’re asking, “Is Java still worth learning in 2025?” The answer is a resounding yes — especially when you learn from a platform like Coding Brushup. Here’s what you get:

● A beginner-friendly yet comprehensive curriculum

● Hands-on Java programming experience

● Personalized mentorship from senior developers

● A certification to validate your skills

● Career support tailored to Java developers

Whether you dream of becoming a full-stack Java developer, contributing to enterprise projects, or building your own applications — Coding Brushup gives you the skills and confidence to get there

Read Original Source- https://codingbrushup.com/java-programming-with-coding-brushup-today/

[firstbitsolutions]

How do I prepare for a Java full stack developer interview?

Preparing for a Java Full Stack Developer interview requires a blend of technical knowledge, hands-on experience, and good problem-solving skills. Here's a guide to help you get interview-ready, along with the mock test practices we conduct at FirstBit Solutions.

1. Solidify Your Java Basics

Core Java Concepts: Ensure you are clear on Object-Oriented Programming (OOP) principles, exception handling, collections, multithreading, and Java 8 features like streams and lambda expressions.

Hands-on Practice: Coding problems around data structures, algorithms, and solving common interview questions will help you get comfortable with Java fundamentals.

2. Master Front-end Development

HTML, CSS, and JavaScript: Be proficient in creating responsive web pages. Know how to use JavaScript frameworks like React or Angular for building dynamic and interactive front-ends.

Frameworks & Tools: Be familiar with Bootstrap for styling, and JavaScript ES6+ features for improved code writing.

3. Deep Dive into Back-end Technologies

Spring Framework: Learn Spring Boot, Spring MVC, and how to build RESTful services. This is crucial as most full stack projects use Spring for back-end development.

Hibernate & JPA: Knowing how to work with databases and perform object-relational mapping (ORM) is essential.

Microservices: Understanding how to build and manage microservices architecture using Java is increasingly important.

4. Databases

SQL/NoSQL Databases: Have a good understanding of SQL databases like MySQL or PostgreSQL, as well as NoSQL databases like MongoDB.

Query Optimization: Be prepared to answer questions on query optimization and efficient data retrieval techniques.

5. Version Control & DevOps Basics

Git: Know how to manage code repositories using Git, push, pull requests, and merging code.

CI/CD Pipelines: Understand the basics of Jenkins, Docker, and Kubernetes to know how code moves from development to production.

6. Soft Skills & Problem-Solving

Team Collaboration: Be prepared to showcase how you work in teams, communicate effectively, and handle project management tools like Jira or Trello.

Problem-Solving: Practice live coding sessions and technical questions on platforms like LeetCode, Code Signal, or Hacker Rank to enhance your algorithm-solving skills.

Mock Test Practices at FirstBit Solutions

At FirstBit Solutions, we conduct regular mock tests and interview simulations to help you get real-time feedback. Here’s how our mock tests prepare you:

Technical Rounds: These cover Java basics, Spring, Hibernate, front-end development with JavaScript, and problem-solving. The focus is on building clean, efficient code.

Hands-on Projects: You'll be given small projects to showcase your ability to develop both front-end and back-end solutions.

HR Interview Practice: Our sessions prepare you to communicate clearly, articulate your strengths, and answer behavioural questions confidently.

Mock tests provide a well-rounded preparation, helping you understand your strengths and the areas where you need improvement. You’ll receive constructive feedback after each round to ensure you’re ready to face the interview with confidence.

Conclusion

Preparing for a Java Full Stack Developer interview involves mastering both front-end and back-end technologies, honing your problem-solving skills, and participating in mock tests to simulate real interview conditions. At FirstBit Solutions, we support you through this journey with regular tests, hands-on projects, and personalized feedback.

Good luck with your interview preparation!

[codeonedigest]

Spring Boot Multithreading using Async in Hindi | Complete Tutorial of Multithreading in Spring Boot in HINDI

Full Video Link: https://youtu.be/SSwhctye9jA Hi, a new #video on #springboot #multithreading using #async #annotation is published on #codeonedigest #youtube channel. The complete tutorial guide of multithreading in #spring #boot #project using async

Multithreading in spring boot is achieved using Async annotation and using Task Executor Service class. Multithreading in spring boot is similar to multitasking, except that it allows numerous threads to run concurrently rather than processes. A thread in Java is a sequence of programmed instructions that are managed by the operating system’s scheduler. Threads can be utilized in the background…

[jobbacking]

Core Java competitive tests

A Java Developer is responsible for the design, development, and management of Java-based applications. Because Java is used so widely, particularly by large organizations, the daily roles vary widely but can include owning a particular application or working on several at one time. In our current project, we are exploring core java concepts end to end along with programmatic explanations.

Payroll is the process by which employers pay an employee for the work they have completed. Any business with employees should have a payroll process established; payroll is often the largest expense for a business. An effective and efficient payroll process will ensure that employees are paid accurately and consistently, keeping them satisfied with this aspect of employment and allowing HR to focus on other areas.

A payroll system involves everything that has to do with the payment of employees and the filing of ­employment taxes. This includes keeping track of hours, calculating wages, withholding taxes and other deductions, printing and delivering checks and paying employment taxes to the government.

Advantages of keeping a diary

The advantages of Payroll System include:

1. Easy Calculations

Accuracy is required to pay employees the right money they have earned. To avoid the difficulty of manually computing the payroll, you can use a software to automate the process. The process is productive and efficient to save time and money. Your accounting department can create reports and financial documents easily.

2. Easy Forecasting

Payroll system allows you to view and control instantly all payroll expenses. This helps you graph the financial data to help you create a forecast.

3. Save Time

It takes extra time and resources for a company to manage payroll manually. But the payroll software helps to accelerate all aspects of the payroll process with a number of automated functions.

For more details please visit Core Java competitive tests our website

SkillPractical provides the best Java tests and interview questions for Java from beginner to expert. It covers all the topics from Core Java to Advanced Java and Spring Boot. Some of the important tests they cover are: 

Tests:    1. Java Core - Programming Test  2. Java Advanced - JDBC Test  3. Java Core - Multithreading Test  4. Java Core - Collections Test  5. Spring REST Test  6. SpringBoot Test 

SkillPractical also has the learning path that helps the user to learn the Java from scratch. If user have any questions on Java, he can post a question in SkillPractical community. They will get an answer from our expert consultants. 

[jobbacking]

Core Java competitive tests

A Java Developer is responsible for the design, development, and management of Java-based applications. Because Java is used so widely, particularly by large organizations, the daily roles vary widely but can include owning a particular application or working on several at one time. In our current project, we are exploring core java concepts end to end along with programmatic explanations.

Payroll is the process by which employers pay an employee for the work they have completed. Any business with employees should have a payroll process established; payroll is often the largest expense for a business. An effective and efficient payroll process will ensure that employees are paid accurately and consistently, keeping them satisfied with this aspect of employment and allowing HR to focus on other areas.

Payroll processing duties can create a huge burden and unwanted stress for small business owners and can be overwhelming for large businesses. A missed deadline or incorrect filing of taxes can result in fines or jail time. To avoid these issues, small, middle-sized, and large businesses can benefit from using payroll systems.

A payroll system involves everything that has to do with the payment of employees and the filing of ­employment taxes. This includes keeping track of hours, calculating wages, withholding taxes and other deductions, printing and delivering checks and paying employment taxes to the government.

Pre-requisites

Basic understanding of Java.

Basic mathematics for calculation.

Basic understanding of creating a project in     NetBeans IDE.

Advantages of keeping a diary

The advantages of Payroll System include:

1. Easy Calculations

Accuracy is required to pay employees the right money they have earned. To avoid the difficulty of manually computing the payroll, you can use a software to automate the process. The process is productive and efficient to save time and money. Your accounting department can create reports and financial documents easily.

2. Easy Forecasting

Payroll system allows you to view and control instantly all payroll expenses. This helps you graph the financial data to help you create a forecast.

3. Save Time

It takes extra time and resources for a company to manage payroll manually. But the payroll software helps to accelerate all aspects of the payroll process with a number of automated functions.

4. Safe Backup

As a company, keeping large amounts of data on the payroll can be difficult. You cannot store plenty of documents and data manually. However, when using payroll software, it is convenient to save the records to various databases available online. If your computer or system is destroyed, you should always have a backup to recover all your recordings.

5. Cost Effective

By taking control of the payroll through the software rather than hiring another person to keep records, there is great potential to save money … especially once you can use the software quickly and efficiently.

For more details please visit Core Java competitive tests our website

SkillPractical provides the best Java tests and interview questions for Java from beginner to expert. It covers all the topics from Core Java to Advanced Java and Spring Boot. Some of the important tests they cover are: 

Tests:    1. Java Core - Programming Test  2. Java Advanced - JDBC Test  3. Java Core - Multithreading Test  4. Java Core - Collections Test  5. Spring REST Test  6. SpringBoot Test 

SkillPractical also has the learning path that helps the user to learn the Java from scratch. If user have any questions on Java, he can post a question in SkillPractical community. They will get an answer from our expert consultants. 

[jobbacking]

Core Java Competitive Tests

A Java Developer is responsible for the design, development, and management of Java-based applications. Because Java is used so widely, particularly by large organizations, the daily roles vary widely but can include owning a particular application or working on several at one time. In our current project, we are exploring core java concepts end to end along with programmatic explanations.

In this test we covered important concepts such as OOPs, Data types, Variables, Constants, Constructors, Interfaces, Packages, Exceptional handling, Applets, Streams, Serialization, Multithreading, Collection Frameworks, Network Programming, Design Patterns, String handling and JVM.

This test measures the knowledge of basic Java constructs, OOP concepts, files and exception handling.

In information technology, we can develop two types of applications. They are process-based applications and thread-based applications.

For more details please visit Core Java competitive tests our website

SkillPractical provides the best Java tests and interview questions for Java from beginner to expert. It covers all the topics from Core Java to Advanced Java and Spring Boot. Some of the important tests they cover are: 

Tests:    1. Java Core - Programming Test  2. Java Advanced - JDBC Test  3. Java Core - Multithreading Test  4. Java Core - Collections Test  5. Spring REST Test  6. SpringBoot Test 

SkillPractical also has the learning path that helps the user to learn the Java from scratch. If user have any questions on Java, he can post a question in SkillPractical community. They will get an answer from our expert consultants. 

[jobbacking]

Core Java Competitive tests

A Java Developer is responsible for the design, development, and management of Java-based applications. Because Java is used so widely, particularly by large organizations, the daily roles vary widely but can include owning a particular application or working on several at one time. In our current project, we are exploring core java concepts end to end along with programmatic explanations.

We explained about important concepts such as OOPs, Data types, Variables, Constants, Constructors, Interfaces, Packages, Exceptional handling, Applets, Streams, Serialization, Multithreading, Collection Frameworks, Network Programming, Design Patterns, String handling and JVM.

Data Abstraction

In real-world we have three levels of abstractions. They are physical level abstraction, conceptual/logical level abstraction and view level abstraction.

Physical level abstraction is one; it always deals with physical     organization architecture of the application. For example, in real-world     and application designing of any problem comes under physical level     abstraction.

Conceptual/logical     level abstraction is one it always deals with what kind of data we are     entering without dealing with the physical architecture of the     application. For example,  entering the data into the database,     writing the coding and applying testing principle comes under conceptual     level abstraction.

View level abstraction deals with what kind of data we are     retrieving without dealing with both conceptual level abstraction and     physical level abstraction. For example, retrieving the data from the     database in various combinations. All internet users come under view level     abstraction.

MultiThreading

The languages like C, C++ comes under single-threaded modelling languages, since there exist a single flow of controls whereas the languages like JAVA, DOT NET are treated as multi-threaded modelling languages since there is a possibility of creating multiple flows of controls.

When we write any JAVA program there exist two threads they are foreground thread and background thread.

Foreground threads are those which are executing user-defined sub-programs whereas background threads are those which are monitoring the status of foreground thread. There is a possibility of creating ‘n’ number of foreground threads and always there exist single background thread.

Multithreading is the specialized form of multitasking of the operating system.

In information technology, we can develop two types of applications. They are process-based applications and thread-based applications.

For more details please visit Core Java competitive tests our website

SkillPractical provides the best Java tests and interview questions for Java from beginner to expert. It covers all the topics from Core Java to Advanced Java and Spring Boot. Some of the important tests they cover are: 

Tests:    1. Java Core - Programming Test  2. Java Advanced - JDBC Test  3. Java Core - Multithreading Test  4. Java Core - Collections Test  5. Spring REST Test  6. SpringBoot Test 

SkillPractical also has the learning path that helps the user to learn the Java from scratch. If user have any questions on Java, he can post a question in SkillPractical community. They will get an answer from our expert consultants.