Java Ice Breakers

How to find nTh number of Fibonacci series

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by

anagendrakumar2020
in ,

This is the fourth solution to find the nTh number of the Fibonacci series. The logic uses the Stream API of java.

import java.util.List;
import java.util.Scanner;
import java.util.stream.Collectors;
import java.util.stream.Stream;

class nthFibUsingStreamAPI {
	public static void main(String[] args) {

		Scanner number = new Scanner(System.in);
		// To find the nTh number of Fibonacci series, read nTh value here.
		System.out.print("Enter nTh number=");
		int nTh = number.nextInt();
		number.close();

		List<Integer> fibSeries = Stream.iterate(new int[] { 0, 1 }, t -> new int[] { t[1], t[0] + t[1] }).limit(nTh)
				.map(k -> k[0]).collect(Collectors.toList());
		System.out.println((fibSeries.get(nTh - 1)));
	}
}
Try it >>
OUTPUT:
Enter nTh number=
16
The 16th value of the Fibonacci series is 610

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