Assignemnt #38 and Space Boxing

Code

/// Name: Tristan Chung
/// Period: 5
/// Program Name: Space Boxing 
/// File Name: SpaceBoxing.java
/// Date Finished: 10/28/2015

import java.util.Scanner; 

public class SpaceBoxing
{
    public static void main( String[] args )
    {
        int weight, planet;
        double w1;
        
        Scanner keyboard = new Scanner(System.in);
        
        System.out.print("Please enter your current earth weight to the nearest integer: ");
        weight = keyboard.nextInt();
        
        System.out.println("I have the 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();
        
        System.out.println(" ");
        
        if ( planet == 1 )
        {
            w1 = weight * .78;
            System.out.println("Your weight would be " + w1 + " on that planet.");
        }
        else if ( planet == 2 )
        {
            w1 = weight * .39;
            System.out.println("Your weight would be " + w1 + " on that planet.");
        }
        else if ( planet == 3 )
        {
            w1 = weight * 2.65;
            System.out.println("Your weight would be " + w1 + " on that planet.");
        }
        else if ( planet == 4 )
        {
            w1 = weight * 1.17;
            System.out.println("Your weight would be " + w1 + " on that planet.");
        }
        else if ( planet == 5 )
        {
            w1 = weight * 1.05;
            System.out.println("Your weight would be " + w1 + " on that planet.");
        }
        else if ( planet == 6 )
        {
            w1 = weight * 1.23;
            System.out.println("Your weight would be " + w1 + " on that planet.");
        }
    }
}
    

Picture of the output