Fibunacci java

// WARNING: The function assumes that 'fib(0)=0' and 'fib(1)=1'
// Returns the number of the fibonacci sequence at index 'n'
public static int fib(int n) {
	if (n < 2) // No difference if '<' or '<=', because 'fib(2)=2'.
		return n;
	return fib(n-1) + fib(n-2); // Uses the recursion method for solving
}

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