Thread: Java Help

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  1. #1 Java Help 
    Senior Member I Modded My PSP psp23's Avatar
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    Feb 2007

    I'm practicing java for fun, and I came across this problem I can't solve. Can anyone who knows java help me out on this? I'm practicing as much as I can for the AP computer science exam in may. ok here goes:

    The fibonacci sequence is a famous bit of mathematics, and it happens to have a recursive definition. The first two values in the sequence are 0 and 1 (essentially 2 base cases). Each subsequent value is the sum of the previous two values, so the whole sequence is: 0, 1, 1, 2, 3, 5, 8, 13, 21 and so on. Define a recursive fibonacci(n) method that returns the nth fibonacci number, with n=0 representing the start of the sequence.
    fibonacci(0) → 0
    fibonacci(1) → 1
    fibonacci(2) → 1

    The problem is from JavaBat, a really cool site for people like me who are starting Java. I know what the Fibonacci sequence is, but I have no clue on how to translate it into code and follow the recursive requirement.

    I know the answer is somewhere online, but I need someone to explain the process in understandable terms.
    Last edited by psp23; 11-25-2007 at 01:59 AM.
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