观察测试线程的状态

package com.sean.base.threadStudy;

/**
 * //观察测试线程的状态
 * @create 2021-02-27 19:36
 */
public class StateDemo {
    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("///////");
        });

        //观察状态
        Thread.State state=thread.getState();
        System.out.println(state);//NEW

        //观察启动后
        thread.start();//启动线程
        state =thread.getState();
        System.out.println(state);//RUN

        while (state!=Thread.State.TERMINATED){//只要线程不终止，就一直输出状态
            Thread.sleep(100);
            state =thread.getState();//更新线程状态
            System.out.println(state);//输出状态
        }
    }
}