Notes

public class Rectangle extends GeometricObject {
private double width;
private double height;

public Rectangle() {
this.width=0;
this.height=0;

}
public Rectangle(String recName, double width, double height) {
this.width = width;
this.height = height;

}
public double getWidth() {
return width;
}
public void setWidth(double width) {
this.width = width;
}
public double getHeight() {
return height;
}
public void setHeight(double height) {
this.height = height;
}

public double getArea(){
return width * height;
}

public double getPerimeter(){
return 2 * (height + width);
}

@Override
public String toString(){
return super.toString()+ " Area " + this.getArea() + " Perimeter: " + this.getPerimeter();
}

@Override
public boolean equals(Object o){
if(o instanceof Rectangle){
return this.getArea() == ((Rectangle)o).getArea();
}
else
return false;
}

}

























public class driver {

public static void main(String[] args) {
Rectangle r = new Rectangle ();
r.setColor("gray");
r.setFilled(false);
r.setHeight(6);
r.setWidth(15);

System.out.println(r);

Rectangle r2 = new Rectangle ();
r2.setColor("black");
r2.setFilled(true);
r2.setHeight(5);
r2.setWidth(11);

System.out.println(r2.equals(r2));

}

}