Java中線程的狀態類型

線程的狀態類型

源碼作者的原註釋關於線程內部類State描述了線程的六個狀態

• A thread state. A thread can be in one of the following states:

①、NEW

• 尚未啟動的線程處於此狀態
• 源碼中的註釋
  • A thread that has not yet started is in this state.

②、RUNNABLE

• 在Java虛擬機中執行的線程處於這種狀態
• 源碼中的註釋
  • A thread executing in the Java virtual machine is in this state.

③、BLOCKED

• 被組織等待監視器鎖定的線程處於此狀態
• 源碼中的註釋
  • A thread that is blocked waiting for a monitor lock is in this state.

④、WATING

• 無限期等待另一個線程執行特定操作的線程處於此狀態
• 源碼中的註釋
  • A thread that is waiting indefinitely for another thread to perform a particular action is in this state.

⑤、TIMED_WATING

• 一個線程等待另一個線程執行操作，在指定的等待時間內處於此狀態

• 源碼中的註釋

  • A thread that is waiting for another thread to perform an action for up to a specified waiting time is in this state

⑥、TERMINATED

• 已退出的線程處於此狀態
• 源碼中的註釋
  • A thread that has exited is in this state.

小結

• 可以用一個枚舉類來說明線程的這幾個狀態