Assignment 38 and Space Boxing

Code

/// Name: Matthew Hughs
/// Period: 5
/// Program Name: Space Boxing
/// File SpaceBoxing.java
/// Date Finished: 10/13/2015

import java.util.Scanner;

class SpaceBoxing
{
    public static void main (String [] args)
    {
        Scanner keyboard = new Scanner(System.in);
        int weight, planet;
        Double venus, mars, jupiter, saturn, uranus, neptune;
        
        System.out.print("Please enter your current earth weight: ");
        weight = keyboard.nextInt();
        
        System.out.println(" I have information for the following planets: ");
        System.out.println(" 1. Venus   2. Mars     3. Jupiter");
        System.out.println(" 4. Saturn  5. Uranus   6. Neptune");
        
        System.out.print("Which planet are you visiting? ");
        planet = keyboard.nextInt();
        
        venus = ( weight * .78);
        mars = ( weight * .39);
        jupiter = ( weight * 2.65);
        saturn = ( weight * 1.17);
        uranus = ( weight * 1.05);
        neptune = ( weight * 1.23);
        
        if (planet == 1)
        {
            System.out.print("Your weight would be " + venus + " on this planet.");
        }
        else if (planet == 2)
        {
            System.out.print("Your weight would be " + mars + " on this planet.");
        }
        else if (planet == 3)
        {
            System.out.print("Your weight would be " + jupiter + " on this planet.");
        }
        else if (planet == 4)
        {
            System.out.print("Your weight would be " + saturn + " on this planet.");
        }
        else if (planet == 5)
        {
            System.out.print("Your weight would be " + uranus + " on this planet.");
        }
        else if (planet == 6)
        {
            System.out.print("Your weight would be " + neptune + " on this planet.");
        }
    }
}
    

Picture of the output