Assignment #83 and Xs and Ys

Code

    /// Name: Lauren Baird
    /// Period: 7
    /// Program Name: Xs and Ys
    /// File Name: XandY.java
    /// Date Finished: 11/19/2015
    
    import java.util.Scanner;
    
    public class XandY
    {
        public static void main( String[] args )
        {
            Scanner keyboard = new Scanner(System.in);
                
            System.out.println();
            
            System.out.println( "x      y" );
            System.out.println( "-----------------" );
            System.out.println();
            
            for ( double x = -10 ; x <= 10 ; x = x+0.5 )
            {
                double y = x*x;
                System.out.println( x + "   " + y );
            }
            
        }
    }