标题: 用四个线程往同一个线程里有序的投入数字,,并输出结果 [打印本页] 作者: 何亚辉 时间: 2016-5-16 22:55 标题: 用四个线程往同一个线程里有序的投入数字,,并输出结果 class Play5 {
public static void main(String[] args) {
Window w = new Window();
new Thread(w, "窗口1").start();
new Thread(w, "窗口2").start();
new Thread(w, "窗口3").start();
new Thread(w, "窗口4").start();
}
}
class Window implements Runnable {
int[] arr = new int[20];
int i =0;
Object lock = new Object();
public void run() {
while (i<=20) {
synchronized (lock){