sum of two numbers in java

1import java.util.Scanner;
2
3public class Main {
4
5    public static void main(String[] args) {
6
7        Scanner scanner = new Scanner(System.in);
8
9        System.out.print("Enter two numbers: ");
10        int num1 = scanner.nextInt() , num2 = scanner.nextInt();
11
12        int sum = num1 + num2 ;
13        System.out.printf("The sum of %d and %d is %d",num1, num2, sum);
14    }
15}

1public class SumNatural {
2
3    public static void main(String[] args) {
4
5        int num = 100, sum = 0;
6
7        for(int i = 1; i <= num; ++i)
8        {
9            // sum = sum + i;
10            sum += i;
11        }
12
13        System.out.println("Sum = " + sum);
14    }
15}