Design Patterns I

Reading

Sommerville, Chapter 7, Section 7.2

Tutorialspoints.com’s Design Patterns Tutorial

• Overview
• Abstract Factory Pattern
• Builder Pattern
• Factory Pattern
• Prototype Pattern
• Singleton Pattern

Objectives

1. Know what a design pattern is, how they are expressed, and why they are useful
2. Understand the purpose and use of creational design patterns: factory, singleton, builder, and prototype
3. Understand how the creational design patterns are implemented and used in Java

Notes

Try to figure out how the provide Java code segments implementing the various patterns.