画出结构型设计模式的类图
装饰器模式 Decorator
Attach additional responsibilities to an object dynamically.
Decorators provide a flexible alternative to subclassing for extending functionality.
适配器模式 Adapter
Convert the interface of a class into another interface clients expect.
Adapter lets classes work together that couldn't othwerwise because of incompatible interfaces.
桥接模式 Bridge
Decouple an abstraction from its implementation so that the two can vary independently.
组合模式 Composite
Compose objects into tree structures to represent part-whole hierarchies.
Composite lets clients treat individual objects and compositions of objects uniformly.
代理模式 Proxy
Provide a surrogate or placeholder for another object to control access to it.
静态代理
JDK动态代理
享元模式 Flyweight
Use sharing to support large numbers of fine-gained objects efficiently.
外观模式 Facade
Provide a unified interface to a set of interfaces in a subsystem.
Facade defines a high-level interface that makes the subsystem easier to use.
