class ToolBox     // Methods must be contained inside a class    
{
   /* ----------------------------------------
       A method called "min" that contains
       the statements to find the smaller 
       of 2 values a and b
       --------------------------------------- */
   public static double min ( double a, double b )
   {
      double m = 0;

      if ( a < b )
      {
         m = a;    // a is the smaller value          
      }
      else
      {
         m = b;    // b is the smaller value
      }

      return(m);   // Output of the method
   }

   // (You can define more methods inside a class)
}