Introduction - If you have any usage issues, please Google them yourself
(1) This class contains a two-dimensional array of integers 33, whose access type is private (2) defines a constructor to initialize the array to 0 (3) allows two players, when the first one players a location, place a 1 in that position when the first two players selected a location, the location of a place 2 (4) after each step to determine whether the game is over, if there is a winner