```
public class Solution {
public int countBattleships(char[][] board) {
int result = 0;
for (int i = 0; i < board.length; i++) {
for (int j = 0; j < board[i].length; j++) {
if (board[i][j] == '.')
continue;
if (i > 0 && board[i - 1][j] == 'X')
continue;
if (j > 0 && board[i][j - 1] == 'X')
continue;
result++;
}
}
return result;
}
}
```