Which of the following is not allowed according to inheritance usage?
<p>From <a href="http://www.geekinterview.com/question_details/71433" rel="nofollow">here</a>,</p>

<p>Using inheritance, which of the following is not allowed</p>

<p>a) Changing implementation of operation in parent by the subclass</p>

<p>b) Using implementation of operation in parent class by the subclass</p>

<p>c) Using attributes in parent class by the subclass</p>

<p>d) Having operations is subclass which do not exist in parent class</p>

<p>e) None</p>

<p>Am not convinced with the answers in the above link, so trying to clarify here. Pls answer.</p>
