1. ```java
2. import java.util.Scanner;
3.  
4. public class AverageCalculator {
5.     public static void main(String[] args) {
6.         Scanner scanner = new Scanner(System.in);
7.  
8.         // Prompt the user to enter the number of elements
9.         System.out.print("Enter the number of elements: ");
10.         int numElements = scanner.nextInt();
11.  
12.         // Create an array to store the numbers
13.         double[] numbers = new double[numElements];
14.  
15.         // Prompt the user to enter each number and store them in the array
16.         System.out.println("Enter " + numElements + " numbers:");
17.         for (int i = 0; i < numElements; i++) {
18.             System.out.print("Enter number " + (i + 1) + ": ");
19.             numbers[i] = scanner.nextDouble();
20.         }
21.  
22.         // Calculate the sum of all numbers in the array
23.         double sum = 0;
24.         for (double num : numbers) {
25.             sum += num;
26.         }
27.  
28.         // Calculate the average
29.         double average = sum / numElements;
30.  
31.         // Print the sum and average
32.         System.out.println("Average of the numbers: " + average + " and the sum is: " + sum);
33.  
34.         // Close the scanner
35.         scanner.close();
36.     }
37. }
38. ```