// demonstration of basic array operations

import java.util.*;

public class ArraySamples {
   public static final int NUM_VALUES = 8;

  public static void main(String[] args) {
    Scanner input = new Scanner(System.in);
    int[] numbers = new int[NUM_VALUES];
    
    // traversal
    for (int i = 0; i < numbers.length; i++) {
       System.out.print("give me a number: ");
       numbers[i] = input.nextInt();
    }

    System.out.println("Your numbers: " + Arrays.toString(numbers));
    System.out.println("avg = " + (double)sum(numbers) / numbers.length);
  }
  
  public static int sum(int[] arr) {
    int sum = 0;
    for (int i = 0; i < arr.length; i++) {
      sum += arr[i];
    }
    return sum;
  }
}