/**
 * Recursively print the contents of an array
 * 
 * @author ggtowell
 * Created: Oct 27, 2023
 */

public class PrintArray {
    public static void main(String[] args) {
        printArray(args);
    }

    /**
     * Print the contents of the array. 
     * This actually just calls a helper with an extra parameter
     */
    public static void printArray(String[] arr) {
        printArrayHelper(arr, 0);
    }

    /**
     * Actually print the contents of an array
     * @param arr the array to be printed
     * @param loc the current location in the array
     */
    private static void printArrayHelper(String[] arr, int loc) {
        if (loc >= arr.length) {
            return;
        }
        System.out.println(loc + ": " + arr[loc]);
        printArrayHelper(arr, loc + 1); 
    }
}