From: ts Date: 2001-07-05T19:14:47+09:00 Subject: [ruby-talk:17282] Re: Inheritance >>>>> "A" == Aleksei Guzev writes: A> I need to define four classes ( do not ask why but I really need it A> :(((: Well, difficult to reply if you don't want to say why :-( A> class MyException < Exception A> end A> class NotADivisionByZero < MyException A> end class ZeroDivisionError < MyException end class IntDivisionByZero < ZeroDivisionError end class FloatDivisionByZero < ZeroDivisionError end Guy Decoux