Chapter 6.7, Problem 37SC

Explanation of Solution

Declaring a two-dimensional array:

A two dimensional array declaration for representing a tic-tac-toe board is as follows:

Two-dimensional array declaration

String[][] tttBoard = new String[3][3];

Explanation:

In the above declaration,

• “String” refers to the data type of the array.
• “tttBoard” refers to the name of the array, where strings “x”, “o”, and “ ” can be stored.
• “new” is a predefined keyword used to allocate memory for the array.
• “String[3][3]” refers that there are 3 rows and 3 columns in the array.

Array representation:

The elements of above declared array “tttBoard” has been represented as follows:

	Column 1	Column 2	Column 3
Row 1