观测线程状态

package com.kuang.Demo05;
//观察线程的状态
public class TestState  {

    public static void main(String[] args)  {
        Thread thread = new Thread(()->{
            for (int i = 0; i < 5; i++) {
                try {
                    Thread.sleep(1000);
                    System.out.println("第"+i+"次");
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }

            }
            System.out.println("///");

        });

        Thread.State state = thread.getState();
        System.out.println(state);//new

        thread.start();
        state = thread.getState();
        System.out.println(state);//Runnable


        while (state != Thread.State.TERMINATED){//只要线程不终止，就一直输出状态。
            try {
                Thread.sleep(1000);

            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            state = thread.getState();
            System.out.println(state);



        }



    }




}