package cn.jd.state;

import java.lang.Thread.State;

/*
?* 觀察線程的狀態(tài)
?*/
public class AllState {
?? ?public static void main(String[] args) {
?? ??? ?Thread t=new Thread(()->{
?? ??? ??? ?for(int i=0;i<5;i++) {
?? ??? ??? ??? ?try {
?? ??? ??? ??? ??? ?Thread.sleep(100);
?? ??? ??? ??? ?} catch (InterruptedException e) {
?? ??? ??? ??? ??? ?// TODO Auto-generated catch block
?? ??? ??? ??? ??? ?e.printStackTrace();
?? ??? ??? ??? ?}
?? ??? ??? ?}
?? ??? ??? ?System.out.println("你好");
?? ??? ?});
?? ??? ?//觀察線程的狀態(tài)
?? ??? ?State state=t.getState();
//?? ??? ?System.out.println(state);//處于NEW的狀態(tài)新生狀態(tài)
?? ??? ?t.start(); //處于Runnable,處于就緒和運(yùn)行狀態(tài)，因?yàn)檫\(yùn)行狀態(tài)是由CPU控制的，不是我們控制的
//?? ??? ?state=t.getState();
//?? ??? ?System.out.println(state);
//?? ??? ?while(state!=Thread.State.TERMINATED) {
//?? ??? ??? ?try {
//?? ??? ??? ??? ?Thread.sleep(200);
//?? ??? ??? ?} catch (InterruptedException e) {
//?? ??? ??? ??? ?// TODO Auto-generated catch block
//?? ??? ??? ??? ?e.printStackTrace();
//?? ??? ??? ?}
//?? ??? ??? ?state=t.getState();
//?? ??? ??? ?System.out.println(state);
//?? ??? ?}
?? ??? ?while(true) {
?? ??? ??? ?int num=Thread.activeCount();? //活動(dòng)的線程數(shù)
?? ??? ??? ?try {
?? ??? ??? ??? ?Thread.sleep(200);
?? ??? ??? ?} catch (InterruptedException e) {
?? ??? ??? ??? ?// TODO Auto-generated catch block
?? ??? ??? ??? ?e.printStackTrace();
?? ??? ??? ?}
?? ??? ??? ?System.out.println(num);
?? ??? ??? ?if(num==1) {
?? ??? ??? ??? ?break;
?? ??? ??? ?}
?? ??? ??? ?state=t.getState();
?? ??? ??? ?System.out.println(state);
?? ??? ??? ?
?? ??? ?}
?? ?}
?? ?

}