recursion attempt

import java.util.Arrays; // necessary to Sysout the arrays of ints in a human-readable fashion.

//import java.util.Scanner;
//import java.lang.Math;

public class cse215 {
    // public static Scanner s = new Scanner(System.in);

    // public static void main(String[] args) {
    // int b = s.nextInt();
    // System.out.println(hw(b));
    // }
    //                          // attempt: at using a scanner to read in NUMBER
    // public static String hw(String a) {          // at using a string function instead of int[] array
    // a += ;
    //
    // return "";
    // }
    public static final int NUMBER = 5;

    public static void main(String[] args) {

        // int a = s.nextInt();
        // for (int i = 0; i < a; i++) {
        // System.out.print(i);
        // }
        // for (int i = a; i > -1; i--) {       // attempt at using iteration instead of recursion
        // System.out.print(i);
        //
        // }
        int[] inputarray = new int[1];
        inputarray[0] = NUMBER;
        System.out.println(Arrays.toString(hw(inputarray)));
    }

    public static int[] hw(int[] oldarr) {

        if (oldarr.length - 1 < NUMBER // && newarr[newarr.length - 1] !=
                                        // NUMBER) {
        ) {
            int[] newarr = new int[oldarr.length + 1];
            newarr[oldarr.length] = oldarr[oldarr.length - 1] - 1;
            for (int i = 0; i < newarr.length; i++) {
                newarr[i] = i;
            }
            // System.out.println(Arrays.toString(newarr));
            hw(newarr);
            return newarr;
        }

        else if (oldarr[oldarr.length - 1] != 0) {
            int[] newarr = new int[oldarr.length + 1];
            for (int i = 0; i < newarr.length - 1; i++) {
                newarr[i] = oldarr[i];

            }
            newarr[newarr.length - 1] = oldarr[oldarr.length - 1] - 1;
            // System.out.println(Arrays.toString(newarr));
            hw(newarr);
            return newarr;
        }

        System.out.println(Arrays.toString(oldarr));
        System.out.println("here is where it fails");
        return oldarr;

    }

}