Assignemnt 29 and Boolean Expressions

Code

    /// Name: Xinting Chen
    /// Period: 5
    /// Program Name: Boolean Expressions 
    /// File Name: BooleanExpressions.java
    /// Date Finished: 10/8/2015
  
    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