package com.dj;

import java.util.Arrays;

public class Main {

    public static void main(String[] args) {

        int[][] array2 = new int[4][4];
        System.out.println(Arrays.toString(array2));
        System.out.println("array2.length = " + array2.length);

        for (int[] outer : array2){
            System.out.println(Arrays.toString(outer));
        }

        for (int i = 0; i < array2.length; i++){
            var innerArray = array2[i];
            for (int j = 0; j < innerArray.length; j++){
//                System.out.println(array2[i][j] + " ");
                array2[i][j] = (i * 10) + (j + 1);
            }
//            System.out.println();
        }

//        for (var outer : array2){
//            for (var element : outer){
//                System.out.print(element + " ");
//            }
//            System.out.println();
//        }

        System.out.println(Arrays.deepToString(array2));

        array2[1] = new int[] {10,20,30};
        System.out.println(Arrays.deepToString(array2));

        Object[] anyArray = new Object[3];
        System.out.println(Arrays.toString(anyArray));

        anyArray[0] = new String[] {"a", "b", "c"};
        System.out.println(Arrays.deepToString(anyArray));

        anyArray[1] = new String[][]{
                {"1","2"},
                {"3","4","5"},
                {"6","7","8","9"}
        };
        System.out.println(Arrays.deepToString(anyArray));

//        anyArray[2] = new int[2][2][2];
//        anyArray[2] = "Hello";
        System.out.println(Arrays.deepToString(anyArray));

        for (Object element : anyArray){
            System.out.println("Element type = " + element.getClass().getSimpleName());
            System.out.println("Element toString() = " + element);
            System.out.println(Arrays.deepToString((Object[]) element));
        }
     }
}