Java Design Patterns

A cookbook of commonly used Java design patterns based on examples from:

• "Design Patterns: Elements of Reusable Object-Oriented Software" - Gamma et al
• "Head First Design Patterns" - Freeman et al
• "Java Design Pattern Essentials" - Tony Brevis

Each pattern is contained in its own package. The Javadoc will provide more details and the Test class will demonstrate how to use it.

Any comments/bugs/better ways of doing things, send 'em my way.

Behavioural Patterns

1. State
2. Chain of Responsibility
3. Strategy
4. Observer
5. Command
6. Template Method
7. Visitor

Creational Patterns

1. Builder
2. Factory Method
3. Static Factory Method / Simple Factory Method
4. Abstract Factory
5. Singleton

Structural Patterns

1. Adapter
2. Decorator
3. Facade

Build Guide

You'll need JDK 11+ installed on your dev box.

You can use the included Maven wrapper to build the project and pull down the dependencies:

./mvnw clean install

The Javadoc can be found in the <project-root>/target/apidocs folder after you execute the build.