cubbyhole.java

java的书上例子

class CubbyHole
{
	private int seq;
	private boolean available = false;
	public synchronized int get()
	{
		while (available == false)
		{
			try
			{
				wait();				// 等待Producer中调用 notify() 
			}
			catch (InterruptedException e){}
		}
		available = false;
		notify();
		return seq;
	}

	public synchronized void put(int value)
	{
		while (available == true)
		{
			try 
			{
				wait();				// 等待consumer中调用 notify()
			}
			catch (InterruptedException e){}
		}
		seq = value;
		available = true;
		notify();
	}
}