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dzone.com /1 month ago

Stop Writing If-Else Spaghetti: Architecting Cleaner Java with the Strategy Pattern

In high-volume, enterprise Java applications, business logic has a natural tendency to degrade into procedural complexity. You start with a straightforward task, such as calculatin...

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javacodegeeks.com /2 days ago

Java’s Sealed Classes Meet the Visitor Pattern

Replacing a classic GoF pattern with pattern matching: a before and after refactor of a Visitor hierarchy, collapsed into a sealed interface and an exhaustive switch expression. Th...

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dzone.com /1 month ago

Rethinking Java Design Patterns: From OOP to FP

The functional programming answer, to those who wonder how to integrate or combine it with object-oriented programming, is usually: Turtles all the way down. This is an aphorism wh...

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dev.to /1 month ago

The Specification Pattern in Laravel: Refactoring Complex Business Rules

As our Laravel applications grow, we inevitably face a common architectural dilemma: where do we put complex business logic that dictates whether an entity meets certain criteria?...

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dzone.com /1 month ago

Designing a Page Object Model + TestNG Hybrid Framework: Patterns That Actually Scale

Most articles on Page Object Model are written by people who maintain twelve tests. This is one written by somebody who has lived inside a 2,400-test web automation suite for three...

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dev.to /1 month ago

SOLID and OOP: Designing Software That Survives Change

Table of Contents Introduction A Quick Recap of OOP Why OOP Alone Is Not Enough What is SOLID? 1. Single Responsibility Principle (SRP) 2. OpenClosed Principle (OCP) 3. Liskov S...

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belderbos.dev /3 days ago

Bob Belderbos: 5 design patterns used in my new habit tracker app

There are plenty of habit trackers, but I wanted to build mine with constraints, a calendar view and habit streaks. So I built commitgraph: a small Django + HTMX app. Here are five...

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javacodegeeks.com /3 weeks ago

Algebraic Data Types and Pattern Matching, Compared

Java, Rust, Scala, and Haskell all let you say “a Shape is exactly a Circle, a Square, or a Triangle, and nothing else.” They disagree sharply on what happens when you forget to ha...

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javacodegeeks.com /1 month ago

The Diamond Problem and Default Methods

Java 8 gave interfaces actual behavior, then had to answer the same question C++ has been arguing about for thirty years. It answered it much better. The exact compiler rules, veri...

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rubyflow.com /1 month ago

From Conditionals to Polymorphism

A conditional that keeps growing is a design problem, not a style problem. How to turn each branch into an object, one green step at a time.

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dev.to /1 month ago

LLD Domain Modeling: The Final Layer — Bringing It All Together (How Real Systems Are Actually Structured)

At this stage of domain modeling, we’ve explored: entities vs value objects invariants state machines aggregates bounded contexts system-level design (Ride Sharing, BookMyShow, C...

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techdynasty.medium.com /1 month ago

Abstract Classes vs Interfaces in Kotlin: Understanding the Right Choice

As your Kotlin applications grow, you’ll often need multiple classes to share common behavior. For example, different payment methods…Continue reading on Medium »

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dzone.com /1 month ago

This One Spring Data JPA Pattern Cleaned Up to 3 Years of Repository Debt

If you've spent more than a year building enterprise Java apps, you've probably felt this specific kind of pain: a product manager asks for a new search filter, and you open your r...

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rubyflow.com /4 weeks ago

Magic Presenter: A modern replacement for Draper

Magic Presenter is a presentation layer gem for Rails models designed to replace Draper. It retains the Decorator/Presenter pattern while addressing fundamental architectural flaws...

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javacodegeeks.com /4 weeks ago

Ad-Hoc Polymorphism: Interfaces vs. Traits vs. Type Classes

Three languages, three solutions to “different types, same operation” and three very different opinions about who gets to decide what an implementation means. Every mainstream type...

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halilozel1903.medium.com /1 month ago

Data Structures & Algorithms for Android App Developers

DSA is not just for coding interviews. It shapes the speed, memory use, reliability, and maintainability of the Android apps we ship.Continue reading on Medium »

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atlassian.com /5 days ago

Comment on Aligning Software Design Patterns Across Engineering Teams with AI by Binance开户

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habr.com /3 weeks ago

[Перевод] Абстракции для реализаций мертвы. Да здравствуют абстракции для проектирования

Благодаря искусственному интеллекту код удешевился. Но ошибочные архитектурные решения остаются такими же дорогими, как и раньше. Время от времени я спорю сам с собой о том, какие...

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