/**
* @param args
* 三个老师发60张试卷,随机发
*/
public class Test02 {
public static void main(String[] args) {
new Paper().start();
new Paper().start();
new Paper().start();
}
}
// 创建试卷实现runnable接口
class Paper extends Thread {
private int num = 60;
@Override
public void run() {
while (true) {
synchronized (Paper.class) {
if (num <= 0) {
break;
}
}
try {
Thread.sleep(500);
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
System.out.println(getName() + "这是第" + num-- + "张卷子");
}
}
}
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