package Lecture5;

public class SimplePoint1 {
    public static void main(String[] args) {
        SimplePoint a= new SimplePoint();
        SimplePoint b= new SimplePoint();
        double xa= a.getX();
        double ya= a.getY();
        System.out.println("a= (" + xa + " , " + ya + ")");
        a.move(-9.0, 7.5);
        System.out.println("a= (" + a.getX() + " , " + a.getY() + ")");
    }
}   

class SimplePoint {
    private double x, y;    // Miembros de datos
    public SimplePoint() {  // Constructor
        x= 0.0;
        y= 0.0; }
    // Métodos    
    public double getX() { return x;}
    public double getY() { return y;}
    public void setX(double xval) { x= xval;}
    public void setY(double yval) { y= yval;}
    public void move(double deltaX, double deltaY) {
        x += deltaX;
        y += deltaY; }
}   // Fin de la clase SimplePoint