Rules of recursion.

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Best answer

a recursive method must have at least one base case (that does not make a recursive call)
a recursive method must have at least one recursive case (that does make a recursive call)
to avoid "infinite" recursion, a recursive call must always be made with a smaller or simpler subproblem of the original problem being solved

answered Dec 19, 2016 by rahul31313
selected Jan 16, 2017 by rashedcs

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