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GPGautam Pateliamgautam.hashnode.devMar 17 · 3 min read

Strategy Design Pattern

In this article, I will explain the Strategy Design Pattern in a simple and efficient way. First, let’s look at the code below: class PaymentService { public void pay(String type) { if (ty

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GNGaurav Nadkarnigaurav-blogs.hashnode.devSep 23, 2025 · 4 min read

Building an Extendable Data Migration Utility in Java Using the Strategy Pattern

Introduction While working on a Java-based utility, I encountered a challenge: moving data between different systems that each had their own export formats. Our target system was Jira Cloud, which accepted data in a specific JSON format through its A...

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Uukeliliflyweight-the-art-of-programmer-reuse.hashnode.devAug 27, 2025 · 3 min read

Flyweight Pattern: Developers' Art of Reusing

An Example of Programmer Imagine we define a standard for programmers via a Programmer interface. Its attributes are the programmer’s skills, and it has a method called code(). Now, whenever a client needs to develop a system, the company simply hire...

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NKNivedita Kumaritechadora.hashnode.devFeb 14, 2025 · 5 min read

Builder Design Pattern

The Builder Design Pattern is a creational design pattern. The Builder Pattern helps to create complex objects step by step while keeping the construction process separate from the actual object. This makes the design more flexible, modular, and easy...

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ASAnusha SPanushasp07.blogFeb 1, 2025 · 4 min read

Singleton Design Pattern

Before understanding what is singleton design pattern, first let us understand what is singleton object. In any of the application, whatever the objects we create we can create it in different ways. So, within your application you want to create your...

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SSSneha Sreesnehasree.hashnode.devDec 8, 2024 · 6 min read

Creational Design Patterns in Java

Creational design patterns are a fundamental aspect of software design, focusing on object creation mechanisms. Instead of directly instantiating objects using new, these patterns provide techniques to create objects in a flexible and reusable manner...

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MPMihai Popescujavainterviewprep.hashnode.devNov 26, 2024 · 5 min read

Design Patterns in Java

Design patterns in Java are categorized into three main types: 1. Creational Patterns These deal with object creation, ensuring flexibility and control. Singleton Pattern: Ensures only one instance of a class is created. Example: A class to manage ...

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NNeelneelchikhal.hashnode.devJul 7, 2024 · 2 min read

Design Pattern - 3

Decorator design pattern saves us from object explosion. Composition is a design technique in OOP which defines has-a relationship between objects. public class Job{ // methods and properties... } Person HAS-A Job public class Person{ privat...

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JJeniferkudrovjenifer.hashnode.devMay 24, 2024 · 11 min read

Top 5 Java Design Patterns Every Developer Should Know

Are you planning to become a Java developer? If yes, then the following post is worth the read. It emphasizes what design patterns are, why there is a need for design patterns, the types of design patterns, and the top 5 Java design patterns every Ja...

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VMVenu Madhav Emmadivenumadhav.devMar 2, 2024 · 3 min read

1.1 Singleton Method - Creational Pattern: A Comprehensive Guide

There are hardly many software design patterns as popular or contentious as the Singleton pattern. This creational pattern offers a global point of access to a class's single instance while guaranteeing the class has just one instance. The Singleton ...

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Trending tags this week

Strategy Design Pattern

Building an Extendable Data Migration Utility in Java Using the Strategy Pattern

Flyweight Pattern: Developers' Art of Reusing

Builder Design Pattern

Singleton Design Pattern

Creational Design Patterns in Java

Design Patterns in Java

Design Pattern - 3

Top 5 Java Design Patterns Every Developer Should Know

1.1 Singleton Method - Creational Pattern: A Comprehensive Guide