一共有 50张票 ,4个窗口出售,打印出票售出的顺序。
package com.problem3;
public class Demo {
public static void main(String[] args) {
int count = 50;
MyThread myThread = new MyThread(count);
new Thread(myThread, "梅").start();
new Thread(myThread, "兰").start();
new Thread(myThread, "竹").start();
new Thread(myThread, "菊").start();
}
}
package com.problem3;
public class MyThread implements Runnable {
private int count;
public MyThread(int count) {
this.count = count;
}
@Override
public void run() {
String name = Thread.currentThread().getName();
boolean flag = true;
while (flag) {
synchronized (this) {
if (count > 0) {
System.out.println(name + "卖出了" + count);
count--;
}
Thread.yield();
}
if (count == 0) {
flag = false;
}
}
}
}
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