public class Square{
  public static  double height;
  public static  double width;
  public double getHeight(){
   return height;
  }
  public void setHeight(double h){
    height = h;
  }
  public double getWidth(){
    return width;
  }
  public void setWidth(double w){
    width = w;
  }
  public double getArea(){
    return height * width;
  }
}


class t7tester{

  static double h,w,a;
  public static void main(String[] args){

  Square s1 = new Square();
s1.setHeight(3.0);
s1.setWidth(4.0);
h = s1.getHeight();
w = s1.getWidth();
a = s1.getArea();
System.out.println("Height = "+ h);
System.out.println("Width = "+ w);
System.out.println("Area = "+ a);
}
}