public class Output1
{

   /* -------------------------------------------------------
      Pass information out of method with RETURN statement
      ------------------------------------------------------- */
   public static double Square( double x )                
   {
      double out;    // out contains some info. inside method

      out = x * x;

      return(out);   // Info. in out is returned (passed outside)
   }

   public static void main( String[] args )
   {
      double a, b;

      a = 4.0;
      b = Square( a );   // The return value is saved in b

      System.out.println( b) ;
   }
}