Tutorials under 'Design Patterns'

Composition vs Inheritance in Java – When to Prefer Composition

Learn the difference between composition and inheritance in Java, their use cases, best practices, and why composition is often preferred for flexible design.

Java CompositionOop Principles JavaObject Oriented DesignDesign PatternsJava Best PracticesCore Java TutorialCode Reuse JavaComposition Vs InheritanceJava InheritancePrefer Composition Over Inheritance

Introduction to Design Patterns in Java – Gang of Four Guide

Learn what design patterns are, why they matter, and how they help Java developers write clean, modular, and testable code. Covers all 23 GoF patterns categorized into creational, structural, and behavioral types.

Gang Of FourJavaDesign PatternsStructural PatternsOopsCreational PatternsBehavioral Patterns

Java 17 and Design Patterns Interview Questions (LTS Edition)

Top Java 17 and design patterns interview questions with code examples. Covers Singleton, Streams, creational patterns, and new Java 17 features like sealed classes

SingletonJava 17JavaDesign PatternsCreational PatternsStream ApiInterviewConcurrency