import java.awt.*; /** An instance is a square */ public class Square extends Rhombus { /** Constructor: a square at (xp, yp) of side length l */ public Square(int xp, int yp, int l) { super(xp, yp, l, 0); } /** Draw this square using Graphics g */ public void drawShape(Graphics g) { g.drawRect(x, y, l1, l2); } /** Yields: description of this square */ public String toString() { return "square, pt (" + x + ", " + y + "), side " + l1; } }