জাভা unpacking ফাংশন

public class Main {
  static int sum(int... numbers) {

    int result = 0;

    for(int number : numbers) {
      result += number;
    }

    return result;
  }

  public static void main(String[] args) {

    int[] numbers = {10, 15, 10, 25};

    System.out.println(sum(numbers));
  }
}