程序包com.xkzhangsan.time.cost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
  • com.xkzhangsan.time.cost.CostUtil
  • com.xkzhangsan.time.cost.MillisecondCost (implements com.xkzhangsan.time.cost.Cost)
  • com.xkzhangsan.time.cost.NanosecondCost (implements com.xkzhangsan.time.cost.Cost)
  • com.xkzhangsan.time.cost.SecondCost (implements com.xkzhangsan.time.cost.Cost)

接口分层结构

• com.xkzhangsan.time.cost.Cost