public class TestFloatEq2
{
   public static void main(String[] args) 
   {
      double x, y;

      x = 2.2 + 2.2 + 2.2 + 2.2 + 2.2 + 
          2.2 + 2.2 + 2.2 + 2.2 + 2.2;    // x = 21.999999999999996
      y = 22.0;                           // y = 22.0

      if ( Math.abs(x - y) < 0.0000001 )
         System.out.println("x is equal to y");
      else
         System.out.println("x is NOT equal to y");
   }
}