Assignemnt #29 and Boolean Expressions

Code

    ///Name: Daniel Tiffany-Appleton
    ///Period: 7
    ///Program Name: Boolean Expressions 
    ///File Name: BooleanExpressions
    ///Date Finished: 9/30/15
    
    import java.util.Scanner;
     
    public class BooleanExpressions
    {
        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