Solution.java

class Solution {
    public boolean exist(char[][] board, String word) {
        char[] words = new char[word.length()];

        for (int t = 0; t < word.length(); t++) {
            words[t] = word.charAt(t);
        }

        for (int i = 0; i < board.length; i++) {
            for (int j = 0; j < board[i].length; j++) {
                for (int k = 0; k < words.length; k++) {
                    if (board[i][j] == words[k]) {
                        words[k] = '0';
                        break;
                    }
                }
            }
        }
        for (int l = 0; l < words.length; l++) {
            System.out.print(words[l]);
            if ((words[l] != '0')) {
                return false;
            }

        }

        return true;
    }
}