Java Point, difference between getX() and point.x
I am confused to as why the Java Point class takes in two int paramaters and the getX() and getY() methods return doubles. For example I could define a Point
Point p = new Point(4,6);
If I were to call..
p.getX();
It would return 4.0. and if I were to call
p.x;
I would get 4.
Any reason for this?
There are Point2D.Double and Point2D.Float classes that extend Point2D which is a superclass of Point and they need to be able to work with floating point values. Note that there is also a setLocation( double, double ) .
Point2D is an abstract class that implements the distance calculation for points, and setLocation , getX , and getY are its abstract methods, which is why they all use doubles and why Point has to implement them with double s in the signature.