Intro 1 Welcome to Design Patterns: an introduction 2 Keeping your Objects in the know: the Observer Pattern 3 Decorating Objects: the Decorator Pattern 4 Baking with OO goodness: the Factory Pattern 5 One of a Kind Objects: the Singleton Pattern 6 Encapsulating Invocation: the Command Pattern 7 Being Adaptive: the Adapter and Facade Patterns 8 Encapsulating Algorithms: the Template Method Pattern 9 Well-managed Collections: the Iterator and Composite Patterns 10 The State of Things: the State Pattern 11 Controlling Object Access: the Proxy Pattern 12 Patterns of Patterns: Compound Patterns 13 Patterns in the Real World: Better Living with Patterns 14 Appendix: LeftoverPatterns