学步园

class Producer implements Runnable
{
	Q q;
	public Producer(Q q)
	{
		this.q = q;
	}
	public void run()
	{
		int i = 0;
		while(true)
		{
			synchronized(q)
			{
				if(q.bFull)
					try{
						q.wait();
					}catch(Exception e)
					{
					}
				if(i == 0)
				{
					q.name = "zhangsan";
					try{Thread.sleep(1);}catch(Exception e){}
					q.sex = "male";
					
				}
				else
				{
					q.name = "lisi";
					q.sex = "female";
				}
				q.bFull = true;
				q.notify();
			}
			i = (i+1)%2;
		}
	}
}

class Consumer implements Runnable
{
	Q q;
	public Consumer(Q q)
	{
		this.q = q;
	}
	public void run()
	{
		while(true)
		{
			synchronized(q)
			{
				if(!q.bFull)
					try{
						q.wait();
					}catch(Exception e)
					{
					}
				System.out.print(q.name);
				System.out.println(":" + q.sex);
				q.bFull = false;
				q.notify();
			}
		}
	}
}

class ThreadCommunication
{
	public static void main(String [] args)
	{
		Q q = new Q();
		new Thread(new Producer(q)).start();
		new Thread(new Consumer(q)).start();
	}
}
class Q
{
	String name = "unknown";
	String sex = "unknown";
	boolean bFull = false;
}

class Producer implements Runnable
{
	Q q;
	public Producer(Q q)
	{
		this.q = q;
	}
	public void run()
	{
		int i = 0;
		while(true)
		{
			if(i == 0)
				q.put("zhangshan", "male");
			else
				q.put("lisi", "female");
			i = (i+1)%2;
		}
	}
}

class Consumer implements Runnable
{
	Q q;
	public Consumer(Q q)
	{
		this.q = q;
	}
	public void run()
	{
		while(true)
		{
			q.get();
		}
	}
}

class ThreadCommunication
{
	public static void main(String [] args)
	{
		Q q = new Q();
		new Thread(new Producer(q)).start();
		new Thread(new Consumer(q)).start();
	}
}
class Q
{
	private String name = "unknown";
	private String sex = "unknown";
	private boolean bFull = false;
	public synchronized void put(String name, String sex)
	{
		if(bFull)
			try{wait();}catch(Exception e){}
		this.name = name;
		try{Thread.sleep(1);}catch(Exception e){}
		this.sex = sex;
		bFull = true;
		notify();
	}
	
	public synchronized void get()
	{
		if(!bFull)
			try{wait();}catch(Exception e){}
		System.out.print(name);
		System.out.println(":" + sex);
		bFull = false;
		notify();
	}
}

class ThreadCommunication
{
	public static void main(String [] args)
	{
		ThreadTest t = new ThreadTest();
		new Thread(t).start();
		
		for(int i=0; i<100; i++)
		{
			if(i == 50)
				t.stopMe();
			System.out.println("main() is running");
		}
	}
}

class ThreadTest implements Runnable
{
	private boolean bStop = false;
	public void stopMe()
	{
		bStop = true;
	}
	public void run()
	{
		while(!bStop)
		{
			System.out.println(Thread.currentThread().getName() + "is running");
		}
	}
}