CURSO JAVA FUNCION WHILE 1

import javax.swing.*;
public class while1
{
    public static void main(String args[])
    {
        desa ej1=new desa();
        ej1.w();
    }
}

class desa
{
    public void w()
    {
        int a=1;
        double x,y,r;
        while(a<=3)
        {
            x=Double.parseDouble(JOptionPane.showInputDialog("DAME X: "));
            y=Double.parseDouble(JOptionPane.showInputDialog("DAME Y: "));
            r=x+y;
            System.out.print("LA SUMA NUMERO: "+a+"ES: "+r+"\n");
            a++;
        }
    }
}