Assignemnt #29 and Boolean Expressions

Code

    
    /// Name: Nick Cerdan
    /// Period: 6
    /// Program Name: Booleans
    /// file Name: Booleans.java
    /// date finished: 9/23/15
    
    import java.util.Scanner;
    
    public class Booleans
    {
        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) );
     
         }
     }