程序包net.congyh.designpatterns.observer的分层结构

程序包分层结构:

• 所有程序包

类分层结构

• java.lang.Object
  • net.congyh.designpatterns.observer.Client
  • net.congyh.designpatterns.observer.Reader (implements net.congyh.designpatterns.observer.Observer)
  • net.congyh.designpatterns.observer.Subject
    • net.congyh.designpatterns.observer.NewsPaper

接口分层结构

• net.congyh.designpatterns.observer.Observer