#java design pattern

[codeonedigest]

Complete Tutorial on Behavioral Design Pattern | Master Behavioural Desi...

Hello friends, a new #video on #behavioral #design #pattern with #Java #programming #example is published on #codeonedigest #youtube channel. Learn #behavioural #java design #patterns

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[nemfrog]

Spotted deer. Javanese batik designs from metal stamps. 1924.

Internet Archive

[watchmorecinema]

Normally I just post about movies but I'm a software engineer by trade so I've got opinions on programming too.

Apparently it's a month of code or something because my dash is filled with people trying to learn Python. And that's great, because Python is a good language with a lot of support and job opportunities. I've just got some scattered thoughts that I thought I'd write down.

Python abstracts a number of useful concepts. It makes it easier to use, but it also means that if you don't understand the concepts then things might go wrong in ways you didn't expect. Memory management and pointer logic is so damn annoying, but you need to understand them. I learned these concepts by learning C++, hopefully there's an easier way these days.

Data structures and algorithms are the bread and butter of any real work (and they're pretty much all that come up in interviews) and they're language agnostic. If you don't know how to traverse a linked list, how to use recursion, what a hash map is for, etc. then you don't really know how to program. You'll pretty much never need to implement any of them from scratch, but you should know when to use them; think of them like building blocks in a Lego set.

Learning a new language is a hell of a lot easier after your first one. Going from Python to Java is mostly just syntax differences. Even "harder" languages like C++ mostly just mean more boilerplate while doing the same things. Learning a new spoken language in is hard, but learning a new programming language is generally closer to learning some new slang or a new accent. Lists in Python are called Vectors in C++, just like how french fries are called chips in London. If you know all the underlying concepts that are common to most programming languages then it's not a huge jump to a new one, at least if you're only doing all the most common stuff. (You will get tripped up by some of the minor differences though. Popping an item off of a stack in Python returns the element, but in Java it returns nothing. You have to read it with Top first. Definitely had a program fail due to that issue).

The above is not true for new paradigms. Python, C++ and Java are all iterative languages. You move to something functional like Haskell and you need a completely different way of thinking. Javascript (not in any way related to Java) has callbacks and I still don't quite have a good handle on them. Hardware languages like VHDL are all synchronous; every line of code in a program runs at the same time! That's a new way of thinking.

Python is stereotyped as a scripting language good only for glue programming or prototypes. It's excellent at those, but I've worked at a number of (successful) startups that all were Python on the backend. Python is robust enough and fast enough to be used for basically anything at this point, except maybe for embedded programming. If you do need the fastest speed possible then you can still drop in some raw C++ for the places you need it (one place I worked at had one very important piece of code in C++ because even milliseconds mattered there, but everything else was Python). The speed differences between Python and C++ are so much smaller these days that you only need them at the scale of the really big companies. It makes sense for Google to use C++ (and they use their own version of it to boot), but any company with less than 100 engineers is probably better off with Python in almost all cases. Honestly thought the best programming language is the one you like, and the one that you're good at.

Design patterns mostly don't matter. They really were only created to make up for language failures of C++; in the original design patterns book 17 of the 23 patterns were just core features of other contemporary languages like LISP. C++ was just really popular while also being kinda bad, so they were necessary. I don't think I've ever once thought about consciously using a design pattern since even before I graduated. Object oriented design is mostly in the same place. You'll use classes because it's a useful way to structure things but multiple inheritance and polymorphism and all the other terms you've learned really don't come into play too often and when they do you use the simplest possible form of them. Code should be simple and easy to understand so make it as simple as possible. As far as inheritance the most I'm willing to do is to have a class with abstract functions (i.e. classes where some functions are empty but are expected to be filled out by the child class) but even then there are usually good alternatives to this.

Related to the above: simple is best. Simple is elegant. If you solve a problem with 4000 lines of code using a bunch of esoteric data structures and language quirks, but someone else did it in 10 then I'll pick the 10. On the other hand a one liner function that requires a lot of unpacking, like a Python function with a bunch of nested lambdas, might be easier to read if you split it up a bit more. Time to read and understand the code is the most important metric, more important than runtime or memory use. You can optimize for the other two later if you have to, but simple has to prevail for the first pass otherwise it's going to be hard for other people to understand. In fact, it'll be hard for you to understand too when you come back to it 3 months later without any context.

Note that I've cut a few things for simplicity. For example: VHDL doesn't quite require every line to run at the same time, but it's still a major paradigm of the language that isn't present in most other languages.

Ok that was a lot to read. I guess I have more to say about programming than I thought. But the core ideas are: Python is pretty good, other languages don't need to be scary, learn your data structures and algorithms and above all keep your code simple and clean.

[ladyargento]

Records and data transfer in Java

So a colleague of mine was curious about the Data Transfer Object pattern, DTOs and specifically Records in Java, so I decided to write smth about that. You can find it here:

[haithamraik]

75+ #microservices #design #patterns have been mapped, in below mindmap, with 110+ #framework, #tool, and #library supporting multiple #programming #languages to simplify the build for #microservice-based #applications.

#java #csharp #php #go #spring #pattern #software

For more details, please check the below article:

[hidemiwoods]

Crane and Flower Pattern Premium T-Shirt

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[zeeshanamjad]

Flux Design Pattern using TypeScript in React

Flux is an interesting unidirectional architectural design pattern introduced by Facebook for React. React has unidirectional binding, unlike Angular which has bidirectional binding. It is the same pattern used by in Redux, which is very popular JavaScript library for statement management. It is important to know that Redux is not the only state management library, other possible choices are…

[sad--tree]

i 100% absolutely cannot i repeat CANNOT allow myself 2 fail this course bc this is my last chance at taking it otherwise im removed from the program but i

cannot make myself do the work. i can't start. we're halfway thru the term ive lost a HUGE percentage of the grade already and i sit down 2 start googling how tf to do what i need 2 do and i fucking c a n t and now the whole course has become this hot-stove-item in my brain and im lying in bed practically vibrating with anxiety abt to let another (re-negotiated!!!!!!!) deadline pass and like!!! why am ilike this!!!!!!

ANYWAYS if any of yall know literally fuckall abt python...... pls........ 🙏 help........ 🙏

[9moodofficial]

CQRS Design Pattern in Microservices With Examples

CQRS, which stands for Command Query Responsibility Segregation, is a design pattern commonly used in microservices architectures. It emphasizes the separation of concerns between reading (querying) and writing (commanding) data. The basic idea behind CQRS is to have separate models for reading and writing data, enabling independent scaling, optimization, and flexibility for each operation. In a…

[naarsoft]

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[codeonedigest]

Façade Design Pattern Tutorial with Java Examples | What is façade desig...

Hello friends, a new #video on #facade #design #pattern with #Java #example is published on #codeonedigest #youtube channel. This video covers topics. Ultimate guide to façade #java design pattern.

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[ponted]

(vía Taza ''You are my heart' de ponted)

Delicate mauve flowers mug

[gordonramsei]

꒰ ͙ ❄ NO POSTS , PLS . ꒱

hey friends , this is NO POSTS , PLS , a landing page theme without posts coded with gif makers in mind who don't want the look of a standard theme . it has everything u need all on one , easy to edit page ! a space for to plug ur upcoming projects , a place for u to link everything . . . all wrapped up neat 'n pretty in this theme . keep in mind , it contains java so it is not suitable or designed to be used as a page . as per usual , let me know if u encounter any errors and i will do my best to troubleshoot asap !

if u intend on using this theme or just want to be a supportive hottie , please give this post a like and a reblog ! stay hydrated and be sure to pet a cute animal today ! mwuah !

ⅰ. THEME FEATURES .

x. optional footer wave design x. optional solid bar footer design x. accessible font size toggle x. upcoming projects section x. completed projects navigation w/ ten links set up to get u started ! there is a tutorial within the code to tell u how to add more for all those prolific creators out there ! x. simple , single sidebar at 200 x 140 px x. super cute , aesthetically pleasing container pattern x. a description area x. one single free link x. link to ur inbox x. for a more detailed compilation of credits and features , please see the google doc containing the code

͙ ❄ this theme is a patreon exclusive : want access ? consider signing up to join the fam - a - lam to get ur hands on this theme as well as my entire coding catalogue . click here to learn more !

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[priya-joshi]

The Roadmap to Full Stack Developer Proficiency: A Comprehensive Guide

Embarking on the journey to becoming a full stack developer is an exhilarating endeavor filled with growth and challenges. Whether you're taking your first steps or seeking to elevate your skills, understanding the path ahead is crucial. In this detailed roadmap, we'll outline the stages of mastering full stack development, exploring essential milestones, competencies, and strategies to guide you through this enriching career journey.

Beginning the Journey: Novice Phase (0-6 Months)

As a novice, you're entering the realm of programming with a fresh perspective and eagerness to learn. This initial phase sets the groundwork for your progression as a full stack developer.

Grasping Programming Fundamentals:

Your journey commences with grasping the foundational elements of programming languages like HTML, CSS, and JavaScript. These are the cornerstone of web development and are essential for crafting dynamic and interactive web applications.

Familiarizing with Basic Data Structures and Algorithms:

To develop proficiency in programming, understanding fundamental data structures such as arrays, objects, and linked lists, along with algorithms like sorting and searching, is imperative. These concepts form the backbone of problem-solving in software development.

Exploring Essential Web Development Concepts:

During this phase, you'll delve into crucial web development concepts like client-server architecture, HTTP protocol, and the Document Object Model (DOM). Acquiring insights into the underlying mechanisms of web applications lays a strong foundation for tackling more intricate projects.

Advancing Forward: Intermediate Stage (6 Months - 2 Years)

As you progress beyond the basics, you'll transition into the intermediate stage, where you'll deepen your understanding and skills across various facets of full stack development.

Venturing into Backend Development:

In the intermediate stage, you'll venture into backend development, honing your proficiency in server-side languages like Node.js, Python, or Java. Here, you'll learn to construct robust server-side applications, manage data storage and retrieval, and implement authentication and authorization mechanisms.

Mastering Database Management:

A pivotal aspect of backend development is comprehending databases. You'll delve into relational databases like MySQL and PostgreSQL, as well as NoSQL databases like MongoDB. Proficiency in database management systems and design principles enables the creation of scalable and efficient applications.

Exploring Frontend Frameworks and Libraries:

In addition to backend development, you'll deepen your expertise in frontend technologies. You'll explore prominent frameworks and libraries such as React, Angular, or Vue.js, streamlining the creation of interactive and responsive user interfaces.

Learning Version Control with Git:

Version control is indispensable for collaborative software development. During this phase, you'll familiarize yourself with Git, a distributed version control system, to manage your codebase, track changes, and collaborate effectively with fellow developers.

Achieving Mastery: Advanced Phase (2+ Years)

As you ascend in your journey, you'll enter the advanced phase of full stack development, where you'll refine your skills, tackle intricate challenges, and delve into specialized domains of interest.

Designing Scalable Systems:

In the advanced stage, focus shifts to designing scalable systems capable of managing substantial volumes of traffic and data. You'll explore design patterns, scalability methodologies, and cloud computing platforms like AWS, Azure, or Google Cloud.

Embracing DevOps Practices:

DevOps practices play a pivotal role in contemporary software development. You'll delve into continuous integration and continuous deployment (CI/CD) pipelines, infrastructure as code (IaC), and containerization technologies such as Docker and Kubernetes.

Specializing in Niche Areas:

With experience, you may opt to specialize in specific domains of full stack development, whether it's frontend or backend development, mobile app development, or DevOps. Specialization enables you to deepen your expertise and pursue career avenues aligned with your passions and strengths.

Conclusion:

Becoming a proficient full stack developer is a transformative journey that demands dedication, resilience, and perpetual learning. By following the roadmap outlined in this guide and maintaining a curious and adaptable mindset, you'll navigate the complexities and opportunities inherent in the realm of full stack development. Remember, mastery isn't merely about acquiring technical skills but also about fostering collaboration, embracing innovation, and contributing meaningfully to the ever-evolving landscape of technology.

[orcinusrequiensis]

Le Orca Minecraf

After almost 5 years of working with the minecraft-styled 3D models, I finally decided to say "screw it", and learned to start coding Java. Very, very rudimentary Java, but Java nonetheless. What better way to do this than with the 23rd* iteration of my orca model. Honestly, I'm really happy with how the model and the code turned out. They spawn rarely in cold oceans and frozen oceans, in pods of 2-4 individuals. They're tanks as it is, but strongest as a group. They have a particular distain for drowned and guardians, while also having a hankering for salmon. The player is able to gain the trust of an orca, which when swimming with said orca, grants the both of them the Synergy buff, increasing their defense and attack power while together. Each orca has a randomized pattern. It was hell to set up, but the orcas can have one of 20 possible pattern combinations, a random eye patch and a random saddle patch. Each design is based off different orca ecotypes from around the world. It's been a challenge for someone like me who can hardly sit still and learn anything, but I got it done. (All that's really left is sound design). But what comes next for this project will truly test my limits.

[hidemiwoods]

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Java Sparrow and Flowers Pattern Womens V-Neck T-Shirt Click to Buy at Amazon Hidemi Woods runs an original design brand ERIZEN