Assignemnt #29 and Boolean Expressions

Code

/// Name: Raff Lisbona
/// Period: 6
/// Program Name: Boolean Expressions
/// File Name: BooleanExpressions.java
/// Date Finished: 10/2/2015

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( "Seccond: " );
        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