package com.fs.hczhang;
public class AAA {
public static void main(String[] args) {
Windows w1 = new Windows();
Windows w2 = new Windows();
Windows w3 = new Windows();
w1.start();
w2.start();
w3.start();
}
}
class Window implements Runnable {
int num = 10;
@Override
public void run() {
while (true) {
if (!sale()) {
break;
}
}
}
public boolean sale() {
if (num > 0) {
System.out.println(Thread.currentThread().getId() + " : 卖一张票");
num--;
return true;
} else {
return false;
}
}
}
class Windows extends Thread {
static int num = 10;
public void run() {
while (true) {
if (!sale()) {
break;
}
}
}
public boolean sale() {
if (num > 0) {
System.out.println(Thread.currentThread().getId() + " : 卖一张票");
num--;
return true;
} else {
return false;
}
}
}
线程同步问题,帮我把修改代码带注释发上来,谢谢