1. What is the difference between Composition & Aggregation ? The forum search feature is a very good way to find the answers to such questions. Note that the search page link is at the top right of this page.
A quick search on this forum for "composition aggregation" resulted in a listing of a few threads that might prove useful, including the following.
Diff b/w composition & Agrigationcomposition and aggregation 2. Any free online e-certifications website which are also working currently ? Could you rephrase the question? What do you mean by "free online e-certifications website which are also working currently"?
[ August 16, 2003: Message edited by: Dirk Schreckmann ]