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composition & aggregation, online tests

Noman Iqbal
Ranch Hand

Joined: Jun 25, 2001
Posts: 99
Hi Dear Friends,
Friends I have two questions :
1. What is the difference between Composition & Aggregation ?
2. Any free online e-certifications website which are also working currently ?
Waiting for your reply.
bye
Noman Iqbal.
Dirk Schreckmann
Sheriff

Joined: Dec 10, 2001
Posts: 7023
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 & Agrigation
  • composition 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 ]

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    Noman Iqbal
    Ranch Hand

    Joined: Jun 25, 2001
    Posts: 99
    Dear Dirk,
    "free online e-certifications website which are also working currently" means that are there any companies on internet which are offering different I.T related certifications on Internet. Like Brainbench but Brainbench is not free. www.ecertifications.com, but it is now finished, www.skilldrill.com it is also finished & "www.u2test.com" is also finished.
    Waiting for your reply.
    bye.
    Dirk Schreckmann
    Sheriff

    Joined: Dec 10, 2001
    Posts: 7023
    I'm moving this to the Product and other Certifications forum. Perhaps someone over there has run across such an organization.
    [ August 18, 2003: Message edited by: Dirk Schreckmann ]
     
    It is sorta covered in the JavaRanch Style Guide.
     
    subject: composition & aggregation, online tests