java 多线程-快乐订座电影院

public class test{

public static void main(String[]args)
{
	//可用位置
	List<Integer> available =new ArrayList<Integer>();
	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<Integer> seats1=new ArrayList<Integer>();
	seats1.add(1);
	seats1.add(2);
	
	List<Integer> seats2=new ArrayList<Integer>();
	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<Integer> available; //可用位置
String name;
public Cinema(List<Integer> available,String name)
{
	this.available=available;
	this.name=name;
}


public boolean bookticks(List<Integer> seats)
{
	System.out.println("可用位置:"+available);
	List<Integer> copy=new ArrayList<Integer>();
	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
List<Integer>seats;  //多少个位置
public customer(Cinema cinema,List<Integer> 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");
	}
	}
	
}

}