//trying to understand what the point of this point object is when you pass it as
//an argument in creating a new rectangle object
//I passed pobj1 in and it says its x and ys are still 0. but pobj1's x, and ys are NOT 0.



public class RectDemo {

    public static void main(String[] args){

        Point pobj1 = new Point(5,76);

        Rectangle rect2 = new Rectangle(pobj1);

        System.out.println(rect2.width);

        System.out.println(rect2.getArea());

    }
}


//point class


public class Point {

    public int x = 0;
    public int y = 0;
    //constructor
    public Point(int a, int b){
        x = a;
        y = b;
    }

    public int getx(){
        return x;
    }

}


//rectangle class


public class Rectangle {

    public int width = 0;
    public int height = 0;
    public Point origin;

    //four constructors

    public Rectangle() {
        origin = new Point(0,0);
    }

    public Rectangle (Point p){
        origin = p;
    }

    public Rectangle (int w, int h){
        origin = new Point(0,0);
        width = w;
        height = h;
    }

    public Rectangle(Point p, int w, int h){
        origin = p;
        width = w;
        height = h;
    }

    public void move(int x, int y){
        origin.x = x;
        origin.y = y;
    }

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

}