Week2
abstract class Shape { public int x, y; public abstract void printArea(); } class Rectangle extends Shape { public void printArea() { System.out.println("Area of Rectangle is " + x * y); } } class Triangle extends Shape { public void printArea() { System.out.println("Area of Triangle is " + (x * y) / 2); } } class Circle extends Shape { public void printArea() { System.out.println("Area of Circle is " + (22 * x * x) / 7); } } public class Abstex { public static void main(String[] args) { Rectangle r = new Rectangle (); r.x = 10; r.y = 20; r.printArea(); System.out.println(" "); Triangle t = new Triangle(); t.x =30; t.y =35; t.printArea(); System.out.println(" "); Circle c = new Circle(); c.x = 2; c.printArea(); System.out.println(" "); } }