Multi-Dimensional Array Operations and Common Algorithms in Java
When declaring a recatngular matrix, the top-level reference prints as a nested type signature, row reefrences print as one-dimensional signatures, and scalar elements yield thier default values.
int[][] grid = new int[3][4];
System.out.println(grid); // e.g., [[I@6d06d69c
System.out.println(grid[0]); // e.g., [I@7852e922
System.out.pr ...
Posted on Sun, 27 Sep 2026 16:50:06 +0000 by jingcleovil