Question

How to define and use 3D array (cube) of numbers in Java

Answer 1

package javaapplication1;

public class JavaApplication1 {

    public static void main(String[] args) {

        try {

            int[][][] arr3d = new int[3][3][3];
            arr3d[0][0][0] = 1;
            arr3d[1][1][1] = 2; // Middle of the cube
            arr3d[2][2][2] = 3;

            System.out.println(arr3d[0][0][0]);
            System.out.println(arr3d[1][1][1]);
            System.out.println(arr3d[2][2][2]);
            
            
            

        } catch (Exception e) {
            System.out.print(e.toString());
        }
    }
}

/*
             
run:

1
2
3
    
 */

 

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Answer 2

package javaapplication1;

public class JavaApplication1 {

    public static void main(String[] args) {

        try {

            int[][][] arr3d = {{{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}};
            
            System.out.println(arr3d[0][0][0]);
            System.out.println(arr3d[0][0][1]);
            System.out.println(arr3d[0][1][1]);
            System.out.println(arr3d[0][2][0]);
            System.out.println(arr3d[0][2][1]);

        } catch (Exception e) {
            System.out.print(e.toString());
        }
    }
}

/*
             
run:

1
2
5
7
8
    
 */

 

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