Horstmann Chapter 4

Defining a New Interface Type

Name the methods to conform to standard library
public interface MoveableShape
{
void draw(Graphics2D g2);
void translate(int dx, int dy);
}
CarShape class implements MoveableShape
public class CarShape implements MoveableShape
{
   public void translate(int dx, int dy)
   { x += dx; y += dy; }
   . . .
}