package com.wuming.state;import org.omg.PortableInterceptor.SYSTEM_EXCEPTION;//觀察測試線程的狀態 public class TestState {public static void main(String[] args) throws InterruptedException {Thread thread = new Thread(() -> {for (int i = 0; i < 5; i++) {try {Thread.sleep(1000);} catch (InterruptedException e) {e.printStackTrace();}}System.out.println("//");});//觀察狀態Thread.State state=thread.getState();System.out.println(state);//new//觀察啟動后thread.start();//啟動線程state=thread.getState();System.out.println(state);//Runwhile(state!=Thread.State.TERMINATED){//只要線程不終止，就一直輸出狀態Thread.sleep(100);state=thread.getState();//更新線程狀態System.out.println(state);//輸出狀態}thread.start();//死亡的線程不能再次啟動} }

NEW
RUNNABLE
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
TIMED_WAITING
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TIMED_WAITING
//
TERMINATED
Exception in thread "main" java.lang.IllegalThreadStateException
?? ?at java.lang.Thread.start(Thread.java:705)
?? ?at com.wuming.state.TestState.main(TestState.java:31)

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