ADD SOURCE CODE TO THE FOLLOWING PROGRAM TO EXPLAIN CODE:

import java.util.Arrays;

public class RecursiveAverage {

public static void main(String[] args) { double arr[]= new double[10]; fillArray(arr, arr.length); System.out.println("Array double values: "); System.out.println(Arrays.toString(arr)); System.out.println("Average is "+getAverage(arr)); } public static void fillArray(double arr[], int size){ if(size == 0){ return; } else{ arr[size-1] = Math.random(); fillArray(arr,size-1); } } public static double getSum(double arr[], int size) { if(size == 0){ return 0; } else{ return arr[size-1] + getSum(arr, size-1); } } public static double getAverage(double arr[]) { return getSum(arr, arr.length)/arr.length; } }