Fibonacci Series in Java

Print Fibonacci series up to N terms using a loop.

BeginnerModule 3: Loop ProgramsExample 10 of 25
fibonacci-series.java
1import java.util.Scanner;
2
3public class Main {
4 public static void main(String[] args) {
5 Scanner sc = new Scanner(System.in);
6 System.out.print("Enter number of terms: ");
7 int n = sc.nextInt();
8
9 int a = 0, b = 1;
10 for (int i = 1; i <= n; i++) {
11 System.out.print(a + " ");
12 int c = a + b;
13 a = b;
14 b = c;
15 }
16 sc.close();
17 }
18}

Output

Enter number of terms: 7
0 1 1 2 3 5 8

What's going on

We iteratively update the two previous Fibonacci numbers to generate the next term.