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  1. #1
    danh789 is offline Member
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    May 2008
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    Default Help needed with some questions

    Could ye guys help, I have some questions and I dont know the answers of them! any solutions would be great

    Distinguish between composition and inheritance as used in object-oriented programming. As part of your answer, provide examples of different situations in which each would be more appropriate.

    What is meant by recursion as an algorithmic strategy in working with abstract data structures, and why is such an approach considered worthwhile? Illustrate your answer with an example sorting algorithm in Java that can be sorted linearly and recursively.

    Given an alphabet of {x,y,z} possessing the following frequency distributions {1/8, 1/4, 5/8}, show how this information may be used to construct a prefix code binary tree. Given the code 11000111100, show how this is decoded using this construct.

    Any ideas??

  2. #2
    Zosden's Avatar
    Zosden is offline Senior Member
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    Apr 2008
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    Wow that almost sounds like text book material. Heres some advice that will help you in the long run, read and read, and I can't stress it enough read. Look up tutorials online mess around with some dummy classes. This is the way you learn not by someone giving you the answer.
    My IP address is

  3. #3
    sukatoa's Avatar
    sukatoa is offline Senior Member
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    Jan 2008
    Cebu City, Philippines
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    I really expect that this thread really asks some questions.....

    What have you done so far?
    freedom exists in the world of ideas

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