java 多线程-快乐火车票

public class tick {

public static void main(String[]args)
{
	web wb =new web(2,"happy");
	new passenger(wb,"me",2).start();
	new passenger(wb,"he",2).start();
	
}
}

class web implements Runnable
{
String name;
int available;
public web(int available,String name )
{
	this.name=name;
	this.available=available;
}

public synchronized boolean booktickt(int seats)
{
	System.out.println("可用位置为:"+available);
	if(available>=seats)
	{
		available-=seats;
		return true;
	}else
	{
		return false;
	}
}
public void run()
{

	passenger p=(passenger)Thread.currentThread();//因为是在web不是自己的线程里面，所以强转成当前线程，当前线程可以强转成子类，子类可以看作是线程的代理
	boolean flag=this.booktickt(p.seats);
	if(flag)
	{
		System.out.println("出票成功"+Thread.currentThread().getName()+"-->"+p.seats);
		
	}else
	{
		System.out.println("出票失败"+"-->"+"位置不够");
	}
	
}
}

class passenger extends Thread
{
web cinema;
int seats;
public passenger(Runnable targer,String name,int seats)
{
	super(targer,name); // new Thread方法，接受一个Runnale对象和线程名字
	this.seats=seats;
}

}