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The Fibonacci sequence is the sequence defined by F(0) = 0, F(1) = 1, F(n + 2) = F(n) + F(n + 1). The first few terms are 0, 1, 1, 2, 3, 5, 8.

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Computing huge Fibonacci numbers in Java

Your biggest problem that you use char. If you replace it to byte you can save lot of work on converting. Next performance problem is List. If you use array it will work lot faster. Next you work in …
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