package Thread.Thread04;

/**
 * FileName: TicketDemo
 * Author:   lps
 * Date:     2022/3/30 15:20
 * Sign:劉品水 Q：1944900433
 */
public class TicketDemo {
    public static void main(String[] args) {
        TicketWindow tw = new TicketWindow();
        new Thread(tw, "銷售一號").start();
        new Thread(tw, "銷售二號").start();
        new Thread(tw, "銷售三號").start();




    }

    static class TicketWindow implements Runnable {
        private int ticketNumber=100;
        @Override
        public void run() {
            while (true){
                if (ticketNumber>0){
                    Thread thread = Thread.currentThread();
                    String threadName = thread.getName();
                    System.out.println(threadName+"正在銷售第"+ticketNumber--+"張票");
                    try {
                        Thread.sleep(50);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }
            }
        }
    }
}

錯誤示範

package Thread.Thread04;

/**
 * FileName: Example01
 * Author:   lps
 * Date:     2022/3/30 15:10
 * Sign:劉品水 Q：1944900433
 */
public class Example01 {
    public static void main(String[] args) {
        new TicketWinodw().start();
        new TicketWinodw().start();
        new TicketWinodw().start();

    }

    static class TicketWinodw extends Thread {
        private int tickets = 100;

        @Override
        public void run() {
            while (true) {
                if (tickets > 0) {
                    Thread thread = Thread.currentThread();
                    String tic_name = thread.getName();
                    System.out.println(tic_name + "正在發行第" + (tickets--) + "張票");

                }
            }
        }
    }
}