test.java

Java的多线程

class Test
{
	public static void main(String[] args)
	{
		Queue q=new Queue();
		Producer p=new Producer(q);
		Consumer c=new Consumer(q);
		p.start();
		c.start();
	}
}

class Producer extends Thread
{
	Queue q;
	Producer(Queue q)
	{
		this.q=q;
	}
	public void run()
	{
		for(int i=0;i<10;i++)
		{
			q.put(i);
			System.out.println("Producer put "+i);
		}
	}
}
class Consumer extends Thread
{
	Queue q;
	Consumer(Queue q)
	{
		this.q=q;
	}
	public void run()
	{
		while(true)
		{
			System.out.println("Consumer get "+q.get());
		}
	}
}
class Queue
{
	int value;
	boolean bFull=false;
	public synchronized void put(int i)
	{
		if(!bFull)
		{
			value=i;
			bFull=true;
			notify();
		}
		try
		{
			wait();
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
			
	}
	public synchronized int get()
	{
		if(!bFull)
		{
			try
			{
				wait();
			}
			catch(Exception e)
			{
				e.printStackTrace();
			}
		}
		bFull=false;
		notify();
		return value;
	}
}