Java dynamic array input test

DynamicInputTest.java

import java.util.*;
public class DynamicInputTest {
  public static void main(String[] argv) {
    Scanner sc = new Scanner(System.in);

    int n = sc.nextInt();
    int[] numbers = new int[n]; // numbers is n size' s array

    // Input & summation
    int sum = 0;
    for (int i = 0; i < n; i++) {
      numbers[i] = sc.nextInt();
      sum += numbers[i];
    }

    // Output such as 1+2+3+...+n = [sum]
    System.out.print(numbers[0]);
    for (int i = 1; i < n; i++) {
      System.out.print("+" + numbers[i]);
    }
    System.out.println(" = " + sum);

  }
}