Code

   
    /// Name: Afaf Nabeeha
    /// Period: 7
    /// Program Name: Xs and Ys
    /// File Name: X.java
    /// Date Finished: 12/20/2015 public class X

        public class X
        {
          public static void main ( String[] args )
          {
            double x, y;
            System.out.println( "X      Y" ) ;
            System.out.println( "________" ) ;
            for ( x = -10; x <= 10; x = x + 0.5 )
            {
              y = x*x;
              System.out.println( x + "    " + y ) ;
            }
          }
        }
          
             
    
Picture of the output