import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo) /** * Write a description of class Square2 here. * * @author (your name) * @version (a version number or a date) */ public class Square2 extends Actor { private GreenfootImage image1; private GreenfootImage image2; public String num1 = Greenfoot.ask("What is number 1?"); public String num2 = Greenfoot.ask("What is number 2?"); public String num3 = Greenfoot.ask("What is number 1 plus number 2 ?"); public String Sum = num1 + num2; public void Square() { image1= new GreenfootImage("green.png"); image2= new GreenfootImage("yellow.png"); } /** * Act - do whatever the Square2 wants to do. This method is called whenever * the 'Act' or 'Run' button gets pressed in the environment. */ public void act() { if (num3==Sum){ setImage(image1); } } } It supposed to turn green when if they are qual to each other but its not

or It will not be 7.