package sell_ticket;
public class ThreadTicket {
public static void
main(String[] args) {
MyThread m = new MyThread();
Thread t1 = new Thread(m);
Thread t2 = new Thread(m);
Thread t3 = new Thread(m);
t1.start();
t2.start();
t3.start();
}
}
class MyThread implements Runnable{
private int
ticket=100;
public void
run(){
while(true){
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
//用synchronized包起来，形成同步代码块,但后来发现用不用其实一样
synchronized(this){
if(ticket>0){
