Having some trouble on this problem; code should be in java. Any help would be appreciated. Thanks!

Matrix Tic-Tac-Toe Tic-Tac-Toe Problem Problem: Given a 3x3 grid representing a finished tic-tac-toe game, return a string declaring who won. You can use a helper method to assist in solving this problem. Data: The matrix will not be empty nor null. Matrices will all be 3 X 3. Output: If x's won, return "x won!". If o's won, return "o won!". If it is a tie, return "tie!" Sample Data [['x','o','o'],['x','o', 'x'],['o', 'x', 'x']] [['x', 'x','o'],['x','o', 'x'), ('x','o', 'x']] Sample Output o won! x won