public ArrayList<Character> findDoors(char[][] array) {
        String[] possibleDoors = {"A", "B", "C", "D"};
        //ArrayList<String> possibleDoors;
        ArrayList<String> doorsAsList = Arrays.asList(possibleDoors);
        ArrayList<Character> doors = new ArrayList<>();
        for (int row = 0; row < array.length; row++) {
            for (int col = 0; col < array[0].length; col++) {
                if (array[row][col] == Arrays.stream(possibleDoors.).anyMatch(array[row][col]::equals)) {
                    location.y = row;
                    location.x = col;
                    break;
                }
            }
        }

    }