ADF1 - Day 2.1 - Build required objects from existing objects

CODE: 

/**
 * Write a description of class Picture1 here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
public class Picture1
{
   private Triangle roof;
   private Square wall;
   private Square window;
   private Circle sun;
 
   public Picture1(){
     
   }
 
   public void makeVisible(){
        wall = new Square();
        wall.moveVertical(80);
        wall.changeSize(100);
        wall.makeVisible();

        window = new Square();
        window.changeColor("black");
        window.moveHorizontal(20);
        window.moveVertical(100);
        window.makeVisible();

        roof = new Triangle();
        roof.changeSize(50, 140);
        roof.moveHorizontal(60);
        roof.moveVertical(70);
        roof.makeVisible();

        sun = new Circle();
        sun.changeColor("yellow");
        sun.moveHorizontal(180);
        sun.moveVertical(-20);
        sun.changeSize(60);
        sun.makeVisible();
   }
 
   public void sunRise() {
      sun.slowMoveVertical(-300);
   }
 
   public void sunSet() {
      sun.slowMoveVertical(300);      
   }
}

RESULT: