Convert 1D array into 3D

1dTo3d.java

package com.example.converter;

import java.util.Arrays;
import java.util.regex.Matcher;

public class tset39 {

    public static void main(String[] args) {
        int width = 2;
        int height = 2;
        int depth = 2;
        int[] rr1 = {1, 2, 3, 4, 5, 6, 7, 8};

        System.out.println(Arrays.deepToString(tset39.arrst(rr1, width, height, depth)));
    }

    public static int[][][] arrst(int[] a, int width, int height, int depth)
    {

        int array3[][][] = new int[width][height][depth];

        for (int x = 0; x < width; x++) {
            for (int y = 0; y < height; y++) {
                for (int z = 0; z < depth; z++) {

                    array3[x][y][z] = a[height * depth * x + depth * y + z];
                }
            }
        }
        return array3;
    }
}