Doubt about lists.

Question

I have a doubt about lists.
The doubt is that can we create multidimensional Arraylists, Linkedlists and Hashmaps?
If yes then how?

Answer 1

Abhiraj Ghumare yes it is pretty much possible in Java. You can go through this link for understanding it better https://www.geeksforgeeks.org/multidimensional-collections-in-java/

Answer 2

Two dimensional array:
int[][] twoD_arr = new int[10][20]; Three dimensional array:
int[][][] threeD_arr = new int[10][20][30];

You can create as many as you want .

Answer 3

I asked about arraylist not array