CURSO EJEMPLO 20

//ENTRADA SCANNER DOUBLES

import javax.swing.*;
import java.util.*;
import java.text.*;
public class doubles
{
    public static void main(String args[])
    {
        double a,b,s;
        Scanner c=new Scanner(System.in);
        System.out.print("DAME A: ");
        a=c.nextDouble();
        System.out.print("DAME B: ");
        b=c.nextDouble();
        s=a+b;
        DecimalFormat f=new DecimalFormat("0.000");
        System.out.println("VALOR DE A: "+a);
        System.out.println("VALOR DE B: "+b);
        System.out.println("VALOR SUMA: "+f.format(s));
        JOptionPane.showMessageDialog(null,"LA SUMA ES: "+f.format(s));
    }
}