Display array

public class DisplayArray {
    public static void main(String[] args) {
        int[] arr = new int[]{1, 2, 3, 4, 5, 6};

        display(arr, 0);
    }

    private static void display(int[] arr, int idx) {
        // base case
        if (idx == arr.length)
            return;
        // pre order
        System.out.println(arr[idx]);
        // faith
        display(arr, idx + 1);


    }
}