Assignemnt #38 and Space Boxing

Code

  /// Name: Marco Correa
  /// Period: 5
  /// Program Name: SpaceBoxing
  /// File Name: SpaceBoxing.java
  /// Date Finished: 10/15/2015

  import java.util.Scanner;

  public class SpaceBoxing
  {
      public static void main( String[] args )
      {
          Scanner keyboard = new Scanner(System.in);
          double weight;
          int whichplanet;
        
          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( "\t1. Venus   2. Mars    3. Jupiter" );
          System.out.println( "\t4. Saturn  5. Uranus  6. Neptune" );
        
          System.out.print( "Which planet are you visiting? " );
          whichplanet = keyboard.nextInt();
        
          if ( whichplanet == 1 )
          {
              System.out.println( "Your weight would be " + weight * 0.78 + " on that planet." );
          }
          if ( whichplanet == 2 )
          {
              System.out.println( "Your weight would be " + weight * 0.39 + " on that planet." );
          }
          if ( whichplanet == 3 )
          {
              System.out.println( "Your weight would be " + weight * 2.65 + " on that planet." );
          }
          if ( whichplanet == 4 )
          {
              System.out.println( "Your weight would be " + weight * 1.17 + " on that planet." );
            }
            if ( whichplanet == 5 )
            {
                System.out.println( "Your weight would be " + weight * 1.05 + " on that planet." );
          }
          if ( whichplanet == 6 )
          {
              System.out.println( "Your weight would be " + weight * 1.23 + " on that planet." );
          }
      }
  }
    

Picture of the output