Assignment #38 and Space Boxing

Code

    /// Name: Brendan Baird
    /// Period: 6
    /// Program Name: Space Boxing
    /// File Name: SpaceBoxing.java
    /// Date Finished: 10/5/2015
    
    import java.util.Scanner;

    public class SpaceBoxing{
    
        public static void main(String[] args){
        
            int planet;
            double weight;
            
            Scanner keyboard = new Scanner(System.in);
            
            System.out.print("Please enter your current Earth weight: ");
            weight = keyboard.nextDouble();
            
            System.out.println();
            
            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.print("Which planet are you visiting? ");
            planet = keyboard.nextInt();
            
            if (planet == 1)
            {
                weight = weight * 0.78;
            }
            else if (planet == 2)
            {
                weight = weight * 0.39;
            }
            else if (planet == 3)
            {
                weight = weight * 2.65;
            }
            else if (planet == 4)
            {
                weight = weight * 1.17;
            }
            else if (planet == 5)
            {
                weight = weight * 1.05;
            }
            else if (planet == 6)
            {
                weight = weight * 1.23;
            }
            else
            {
                System.out.println("That planet is unknown on our records.");
            }
            
            System.out.println();
            
            System.out.println("Your weight would be " + weight + " pounds on that planet.");
        }
    }
    

Picture of the output