例子十.txt

这是一本java基础教程 对新手上路有很大帮助

public class Example8_10{
    public static void main(String args[]){
        String s1="张三",s2="孙大名",s3="赵中堂";
        Cinema canema=new Cinema(s1,s2,s3);
        Thread zhang,sun,zhao;  
        zhang=new Thread(canema);
        sun=new Thread(canema);
        zhao=new Thread(canema);
        zhang.setName(s1);
        sun.setName(s2);
        zhao.setName(s3);
        zhang.start();
        sun.start();
        zhao.start();
    }
}
class Cinema implements Runnable{    //实现Runnable接口的类（电影院）
    TicketSeller seller;                //电影院的售票员
    String name1,name2,name3;        //买票人的名字(线程的名字)
    Cinema(String s1,String s2,String s3){
       seller=new TicketSeller();
       name1=s1;
       name2=s2;
       name3=s3; 
    } 
    public void run(){
       if(Thread.currentThread().getName().equals(name1)){
          seller.sellTicket(20);
       }
       else if(Thread.currentThread().getName().equals(name2)){
          seller.sellTicket(10);
       }
       else if(Thread.currentThread().getName().equals(name3)){
          seller.sellTicket(5);
       }
    }
}
class TicketSeller{         //负责卖票的类
    int fiveNumber=1,tenNumber=0,twentyNumber=0; 
    public synchronized void sellTicket(int receiveMoney){
        String s=Thread.currentThread().getName();
        if(receiveMoney==5){
           fiveNumber=fiveNumber+1; 
           System.out.println(s+"给售票员5元钱,售票员卖给"+s+"一张票,不必找赎");
        }
        else if(receiveMoney==10){
           while(fiveNumber<1){
               try{  System.out.println(s+"给售票员10元钱");
                    System.out.println("售票员请"+s+"靠边等一会");
                    wait();  //如果线程占有CPU期间执行了wait()，就进入中断状态
                    System.out.println(s+"结束等待,继续买票");
               }
               catch(InterruptedException e){}
           }
           fiveNumber=fiveNumber-1;
           tenNumber=tenNumber+1;
           System.out.println(s+"给售票员10元钱,售票员卖给"+s+"一张票,找赎5元");
        }
        else if(receiveMoney==20){
           while(fiveNumber<1||tenNumber<1){
               try{  System.out.println(s+"给售票员20元钱");
                    System.out.println("售票员请"+s+"靠边等一会");
                    wait();  //如果线程占有CPU期间执行了wait()，就进入中断状态
                    System.out.println(s+"结束等待,继续买票");
               }
               catch(InterruptedException e){}
           }
           fiveNumber=fiveNumber-1;
           tenNumber=tenNumber-1;
           twentyNumber=twentyNumber+1;
           System.out.println(s+"给售票员20元钱,售票员卖给"+s+"一张票,找赎15元");
        }
        notifyAll();
    }
}