public class ProducerConsumer
{
	public static void main(String[] args)
	{
		DataItem item = new DataItem(0);
		Producer producer = new Producer(item);
		Consumer consumer = new Consumer(item);
		
		producer.start();
		consumer.start();
	}

	public static class DataItem
	{
		private int data;
		
		public DataItem(int num)	{data = num;}
		public void put(int item)	{data = item;}
		public int get()					{return data;}
	}
	
	public static class Producer extends Thread
	{
		private DataItem item;
		
		public Producer(DataItem dataItem) {item = dataItem;}
		
		public void run()
		{
			for(int i = 0; i < 10; i++)
			{
				item.put(i);
				System.out.println("Producer: put: " + i);
				
				try
					{sleep((int) (Math.random() * 100));}
				catch(InterruptedException ie) {}
			}
		}
	}
	
	public static class Consumer extends Thread
	{
		private DataItem item;
		
		public Consumer(DataItem dataItem) {item = dataItem;}
		
		public void run()
		{
			int value;
			for(int i = 0; i < 10; i++)
			{
				value = item.get();
				System.out.println("Consumer: got: " + value);
				
				try
					{sleep((int) (Math.random() * 100));}
				catch(InterruptedException ie) {}
			}
		}
	}
}