Assignemnt #38 Space Boxing

Code

    ///Name: Prooz Fereydouni
    ///Period: 7
    ///Project Name: Space Boxing
    ///File Name: SB.java
    ///Date: 10/26/2015
  
 import java.util.Scanner;
 public class SB
 {  
    public static void main( String[] args)
    {
        Scanner keyboard = new Scanner(System.in);
        int planet;
        double weight;
        String planetName = "";
        
        System.out.println( "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.println( "" );
        System.out.println( "Which planet are you visiting?");
        planet = keyboard.nextInt();
        
        System.out.println( "" );
        
        if (planet == 1 )
            { 
            weight = weight * 0.78;
            planetName = "Venus";
            }
        if (planet == 2 )
            { 
            weight = weight * 0.39;
            planetName = "Mars";
            }
        if (planet == 3 )
            { 
            weight = weight * 2.65;
            planetName = "Jupiter";
            }
        if (planet == 4 )
            { 
            weight = weight * 1.17;
            planetName = "Saturn";
            }
        if (planet == 5 )
            { 
            weight = weight * 1.05;
            planetName = "Uranus";
            }
        if (planet == 6 )
            { 
            weight = weight * 1.23;
            planetName = "Neptune";
        }
            
        System.out.println( "Your weight would be " + weight + " pounds on " + planetName + "." );
        }
 }
     

    

Picture of the output