java fibonacci series code

1public class Fibonacci {
2
3    public static void main(String[] args) {
4
5        int n = 10, t1 = 0, t2 = 1;
6        System.out.print("First " + n + " terms: ");
7
8        for (int i = 1; i <= n; ++i)
9        {
10            System.out.print(t1 + " + ");
11
12            int sum = t1 + t2;
13            t1 = t2;
14            t2 = sum;
15        }
16    }
17}

1// 1 2 3 5 8 13 21 34
2
3public class Fibonacci {
4
5    public static void main(String[] args) {
6
7        int n = 10, t1 = 0, t2 = 1;
8        System.out.print("First " + n + " terms: ");
9
10        for (int i = 1; i <= n; ++i)
11        {
12            System.out.print(t1 + " + ");
13
14            int sum = t1 + t2;
15            t1 = t2;
16            t2 = sum;
17        }
18    }
19}