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Java Multidimensional Arrays

Multidimensional Arrays are an Array of Arrays. Each elements of an M-D array is an array itself. Marks in the previous example was a 1-D array.

Multidimensional 2-D Array

A 2-D array can be created as follows:
int [][] flats = new int[2][3]          //A 2-D array of 2 rows + 3 columns

We can add elements to this array as follows
flats[0][0] = 100
flats[0][1] = 101
flats[0][2] = 102
// … & so on!

This 2-D array can be visualized as follows:

Similarly, a 3-D array can be created as follows:
String[][][] arr = new String [2][3][4]



public class multi_dim_arrays {
    public static void main(String[] args) {
        int [] marks; // A 1-D Array
        int [][] flats; // A 2-D Array
        flats = new int [2][3];
        flats[0][0] = 101;
        flats[0][1] = 102;
        flats[0][2] = 103;
        flats[1][0] = 201;
        flats[1][1] = 202;
        flats[1][2] = 203;

        // Displaying the 2-D Array (for loop)
        System.out.println("Printing a 2-D array using for loop");
        for(int i=0;i<flats.length;i++){
            for(int j=0;j<flats[i].length;j++) {
                System.out.print(" ");



Printing a 2-D array using for loop
101 102 103
201 202 203


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