java 10个窗口卖100张票的实例

Sale.java:

 

 

 

 

import java.util.ArrayList;

import java.util.Random;

 

public class Sale implements Runnable

{

public int index;

private ArrayList<Integer> al=new ArrayList<Integer>();

Random rd=new Random();

public Sale(){

for(int i=1;i<1001;i++){

al.add(new Integer(i));

}

}

  //加入一个同步方法

  public synchronized void fun(){

 

           if(al.size()>0){

           try{

               Thread.sleep(30);

         }catch(Exception e){

         

         }

         index=rd.nextInt(al.size());

         System.out.println(Thread.currentThread().getName()+"卖了一张编码为"+al.get(index)+"的火车票！");

         al.remove(index);

       } 

    }

  

  public  void      run(){

           while(al.size()>0){

                 this.fun();

       }

  }

 

}

 

---

 

SaleDemo.java:

public class SaleDemo {

public static void main(String[] args)

{

Sale s1=new Sale();//十个线程共享同一个s1资源

new Thread(s1,"窗口1").start();

new Thread(s1,"窗口2").start();

new Thread(s1,"窗口3").start();

new Thread(s1,"窗口4").start();

new Thread(s1,"窗口5").start();

new Thread(s1,"窗口6").start();

new Thread(s1,"窗口7").start();

new Thread(s1,"窗口8").start();

new Thread(s1,"窗口9").start();

new Thread(s1,"窗口10").start();

}

}