扫二维码与项目经理沟通
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public class test{
public static void main(String[]args)
{
//可用位置
List available =new ArrayList();
available.add(1);
available.add(2);
available.add(3);
available.add(4);
available.add(5);
available.add(6);
available.add(7);
//顾客位置
List seats1=new ArrayList();
seats1.add(1);
seats1.add(2);
List seats2=new ArrayList();
seats2.add(4);
seats2.add(5);
seats2.add(6);
Cinema c=new Cinema(available,"happy");
new Thread(new customer(c,seats1),"me").start();
new Thread(new customer(c,seats2),"she").start();
}
}
class Cinema{
List available; //可用位置
String name;
public Cinema(List available,String name)
{
this.available=available;
this.name=name;
}
public boolean bookticks(List seats)
{
System.out.println("可用位置:"+available);
List copy=new ArrayList();
copy.addAll(available);
//去掉两个容器相同的元素
copy.removeAll(seats);
//判断是否选位置成功
if(available.size()-copy.size()!=seats.size())
{
return false;
}
else
{
available=copy;
}
return true;
}
}
class customer implements Runnable{
Cinema cinema; //哪个影院
Listseats; //多少个位置
public customer(Cinema cinema,List seats)
{
this.cinema=cinema;
this.seats=seats;
}
public void run()
{
synchronized(cinema) { //锁影院
boolean flag=cinema.bookticks(seats);
if(flag)
{
System.out.println("出票成功"+Thread.currentThread().getName()+"位置:"+seats);
}else
{
System.out.println("出票失败"+Thread.currentThread().getName()+"位置不够");
}
}
}
}
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