Construct a linked list from 2D matrix

Constructing a linked list from a 2D matrix refers to the process of creating a data structure that contains a sequence of linked nodes, where each node stores a value and a reference (or pointer) to the next node in the list. In the context of a 2D matrix, the linked list can be created by treating each row of the matrix as a separate linked list, where each element in a row is a node in the linked list.

 For Example
int[][] matrix = {
    {
        1 , 6 , 9 , 2 , -9
    },
    {
        2 , 5 , -5 , 7 , 1
    },
    {
        3 , 4 , 1 , 8 , 2
    }
};

Code Example

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