java设计模式之接口隔离原则(ISP)
接口隔离原则 Interface Segregation Principle
Clients should not be forced to depend upon interfaces that they don’t use
客户端不应该依赖它不需要的接口
The dependency of one class to another one should depend on the smallest possible interface
类间的依赖关系应该建立在最小的接口上