Practice›Java Fundamentals›Module 2. Selection & Iteration›2.3 While

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2.3 Iteration — sum to n

Total: 0 / 4 pts

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Task

Read a number n and print the sum 1 + 2 + ... + n. Use a while loop.

Input 5 gives 15. Input 0 gives 0.

Your solution

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        // print the sum 1 + 2 + ... + n  (use a while loop)
    }
}

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