Assignemnt #29 and Boolean Expressions

Code

   /// Name: Mark Katz
    /// Period: 6
    /// Program Name: Boolean Expressions
    /// File Name: Boolean.java
    /// Date Finished: 9/23/15

      import java.util.Scanner;
  
  public class Boolean
  {
      public static void main( String[] args )
      {
          Scanner keyboard = new Scanner(System.in);
  
          boolean a, b, c, d, e, f;
         double x, y;
 
         System.out.print( "Give me two numbers. First: " );
         x = keyboard.nextDouble();
         System.out.print( "Second: " );
         y = keyboard.nextDouble();
 
         a = (x <  y);
         b = (x <= y);
         c = (x == y);
         d = (x != y);
         e = (x >  y);
         f = (x >= y);
 
         System.out.println( x + " is LESS THAN " + y + ": " + a );
         System.out.println( x + " is LESS THAN or EQUAL TO " + y + ": " + b );
         System.out.println( x + " is EQUAL TO " + y + ": " + c );
         System.out.println( x + " is NOT EQUAL TO " + y + ": " + d );
         System.out.println( x + " is GREATER THAN " + y + ": " + e );
         System.out.println( x + " is GREATER THAN or EQUAL TO " + y + ": " + f );
         System.out.println();
 
         System.out.println( !(x < y) + " " + (x >= y) );
         System.out.println( !(x <= y) + " " + (x > y) );
         System.out.println( !(x == y) + " " + (x != y) );
         System.out.println( !(x != y) + " " + (x == y) );
         System.out.println( !(x > y) + " " + (x <= y) );
         System.out.println( !(x >= y) + " " + (x < y) );
      }
      
  }
    

Picture of the output