uni_informatik_projekt/src/break_out/model/IBall.java

package break_out.model;

public interface IBall {

	// Exercise 1
	public void updatePosition();
	public void reactOnBorder();
	public Position getPosition();
	public Vector2D getDirection();

	// Exercise 2
	public boolean hitsPaddle(Paddle paddle);
	public void reflectOnPaddle(Paddle paddle);
}