pinballtarget.java

来自「一些JAVA的小程序」· Java 代码 · 共 9 行

import java.awt.*;

interface PinBallTarget {
   public boolean intersects (PinBall aBall);
   public void moveTo (int x, int y);
   public void paint (Graphics g);
   public void hitBy (PinBall aBall);
}