ballthread.java

分子无规则运动演示

public class BallThread extends Thread
{
	private Ball ball;
	public BallThread(Ball ball)
	{
		this.ball=ball;
	}
	public void run()
	{
		while(true)
		{
			try
			{
				Thread.sleep(50);
				ball.motion();
			}
			catch(Exception e)
			{
			}
		}
	}
}