观测线程状态
NEW new状态
RUNNABLE 运行状态
TERMINATED 死亡状态
//观测测试线程状态
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("////////");
});
//观测状态
Thread.State state=thread.getState();
System.out.println(state);
//观察启动后
thread.start();
state= thread.getState();
System.out.println(state);//run RUNNABLE
while (state!=Thread.State.TERMINATED){ //TERMINATED 线程死亡
Thread.sleep(100);
state=thread.getState();//更新线程状态
System.out.println(state);//输出状态
}
}
}

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