Abstract Legacy question

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Hi group

This is kinda hard to say in words, so I'll give a little example

Class A
  function x
    calls function guid
  function y
  function z
  function guid
Class B extends A
 function y
   calls function x
 function guid

So what I'm wondering is when class B calls its function Y, it will in its 
turn call function X (which is not overloaded in class B) and function X 
calls the function GUID from which class?  Class A or Class B?

Kind regards


Andy

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