通过继承Thread类实现多线程-synchronized同步2

[java]代码库

//通过继承Thread类实现多线程
//使用synchronized静态方法解决线程安全问题
class MyThread extends Thread{
	public static int ticket=100;
	public static synchronized void show(){
		if(ticket>0) {
			try {
				Thread.sleep(100);
			} catch (InterruptedException e) {
				
				e.printStackTrace();
			}
			System.out.println(Thread.currentThread().getName()+":卖票，票号:"+ticket);
			ticket--;
		}
	}
	public void run() {
		while(true) {
			show();
		}
	}
}
public class Main{
	public static void main(String [] args) {
	MyThread mt1=new MyThread();
	MyThread mt2=new MyThread();
	MyThread mt3=new MyThread();
	mt1.setName("窗口1");
	mt2.setName("窗口2");
	mt3.setName("窗口3");
	
	mt1.start();
	mt2.start();
	mt3.start();
	}
}