java小程序

/*需求：简单的卖盘程序。多个窗口同时卖票。*/class Ticket extends Thread{private static int tick = 100;public void run(){while(true){if(tick > 0){System.out.println(Thread.currentThread().getName()+"...sale:" + tick--);}}}}class TicketDemo {public static void main(String[] args) {Ticket t1 = new Ticket();Ticket t2 = new Ticket();Ticket t3 = new Ticket();Ticket t4 = new Ticket();t1.start();t2.start();t3.start();t4.start();}}