// Code for class today, to practice arrays!

import java.util.*;

public class ArraySum {
  public static final int SIZE = 5;
  
  public static void main(String[] args) {
    Scanner input = new Scanner(System.in);
    int[] numbers = getArray(input);
    
    System.out.println("you input: " + Arrays.toString(numbers));
    reverse(numbers);
    System.out.println("you input reversed: " + Arrays.toString(numbers));
    System.out.println("sum = " + sum(numbers));
  }
  
  public static int[] getArray(Scanner console) {
    int[] numbers = new int[SIZE];
    for (int i = 0; i < numbers.length; i++) {
      System.out.print("give me a number: ");
      numbers[i] = console.nextInt();
    }
    return numbers;
  }
  
  public static int sum(int[] array) {
    int sum = 0;
    for (int i = 0; i < array.length; i++) {
      sum += array[i];
    }
    return sum;
  }
  
  public static void reverse(int[] array) {
    for (int i = 0; i < array.length / 2; i++) {
      int left = array[i];
      int right = array[array.length - i - 1];
      array[i] = right;
      array[array.length - i - 1] = left;
    }
  }
}