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  1. #1
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    Default how to generate 4 set of questions

    I have a question bank(qb) .Form this qb i need to qenerate 4 sets of questions witout duplcates.In question bank questions again are arranged as 8 units and in 8 units i have 3 different formats i.e (simple questions,difficult questions,mediumquestions), before generating sets user will give input location of qb and level of quest(simple,diff,mediu).
    Last edited by ravi.virgoo@gmail.com; 11-09-2009 at 10:09 AM.

  2. #2
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    PhHein is offline Senior Member
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    How is that related to Swing? Do you have a question?
    Math problems? Call 1-800-[(10x)(13i)^2]-[sin(xy)/2.362x]
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  3. #3
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    This was application already developed using swings.
    But it was generating 4 sets of questions with some duplicates.

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    Now i need to generate 4 sets of quest with out duplicates

  5. #5
    PhHein's Avatar
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    And do you have a question? What doesn't work? Complier errors? Runtime Exceptions? Stack trace?
    Math problems? Call 1-800-[(10x)(13i)^2]-[sin(xy)/2.362x]
    The Ubiquitous Newbie Tips

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    That application was working perfectly but in some sets same questions are repeating.
    so, i want to generate 4sets of questions with out any repetitions .

  7. #7
    PhHein's Avatar
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    As you refuse to answer my questions, I can only give you a vague hint.

    Implement a Set. You cannot have duplicates in a java.util.Set
    Math problems? Call 1-800-[(10x)(13i)^2]-[sin(xy)/2.362x]
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  8. #8
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    sir, in my applic they already used java.util.List.
    I am not clear with old application so i planned to write a new class for generating 4sets,

  9. #9
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    Ok, that's fine. Do it.
    Math problems? Call 1-800-[(10x)(13i)^2]-[sin(xy)/2.362x]
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  10. #10
    zweibieren is offline Senior Member
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    Somehow your code will have to
    keep track of what questions have been selected so far.
    You then have two possible approaches:
    1. Select the next question from those that have not been selected.
    2. Select a random question and reject it if it has already been selected.

    Your choice will depend on how many questions there are altogether.
    If there are under a thousand questions, any approach will do.
    If there are many questions, approach a may be impractical.

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