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Idea线程轮流打印数字，一直到100
package com.zgm.zuoye;
/*
* 两个线程轮流打印数字，一直到100
*
* */
public class Thread1 extends Thread {static int num = 0;
static Object obj = new Object();
@Override
public void run() {
shu();
}private static synchronized void shu() {while (true) {
try {
Thread.sleep(100);
if (num <= 100) {System.out.println("数字：" + num);
num++;
} else {
System.exit(0);
}} catch (InterruptedException e) {
e.printStackTrace();
}}}public static void main(String[] args) {
Thread1 td1 = new Thread1();
td1.start();
//开启线程
Thread1 td2 = new Thread1();
td2.start();
//开启线程}}
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