线程的几种状态

getState()

package Thread.Demo07;

/**
 * 观测线程状态
 *
 * @author liu
 */
public class Demo01 {
    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

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


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