Java多线程 编写三各类Ticket、SaleWindow、TicketSaleCenter分别代表票信息、售票窗口、售票中心。 售票中心分配一定数量的票，由若干个售票窗口进行出售，利用你所学的线程知识来模拟此售票过程。

package com.swift;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

public class TicketSaleCenter {

    public static void main(String[] args) {

        /*

         * 第6题: 编写三各类Ticket、SaleWindow、TicketSaleCenter分别代表票信息、售票窗口、售票中心。   

         * * 售票中心分配一定数量的票，由若干个售票窗口进行出售，利用你所学的线程知识来模拟此售票过程。

         */

        Ticket tic = new Ticket();

        tic.setTotal_num(1000);

        SaleWindow win = new SaleWindow(tic);

        Thread t1 = new Thread(win, "售票窗1");

        Thread t2 = new Thread(win, "售票窗2");

        Thread t3 = new Thread(win, "售票窗3");

        t1.start();

        t2.start();

        t3.start();

    }

}

class Ticket {

    private int total_num;

    private int sold_num;

    public int getTotal_num() {

        return total_num;

    }

    public void setTotal_num(int total_num) {

        this.total_num = total_num;

    }

    public int getSold_num() {

        return sold_num;

    }

    public void setSold_num(int sold_num) {

        this.sold_num = sold_num;

    }

}

class SaleWindow implements Runnable {

    private Ticket tic;

    public Ticket getTic() {

        return tic;

    }

    public void setTic(Ticket tic) {

        this.tic = tic;

    }

    public SaleWindow(Ticket tic) {

        super();

        this.tic = tic;

    }

    @Override

    public void run() {

        while (true) {

            synchronized ("锁") {

                int totalNum = tic.getTotal_num();

                int soldNum = tic.getSold_num();

                if (totalNum > 0) {

                    totalNum--;

                    tic.setTotal_num(totalNum);

                    soldNum++;

                    tic.setSold_num(soldNum);

                    System.out.println(Thread.currentThread().getName() + " 已卖出第 " + tic.getSold_num() + " 张票，"

                            + "剩余的票数是 " + tic.getTotal_num());

                }

            }

        }

    }

}