Example/Chapter7/Rectangle.java at master · ResilientSpring/Example · GitHub

16 lines (12 loc) · 250 Bytes

import Unresolved.TwoDShape;

// A subclass of TwoDShape for rectangles. 
public class Rectangle extends TwoDShape {
	
	boolean isSquare() {
		if(width == height) 
			return true; 
		return false;
	}
	
	double area() {
		return width * height;
	}

}