Exam 2. Sum Cards

import java.util.Scanner;

public class _2_SumCards {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner scan = new Scanner(System.in);
        String inputLine = scan.nextLine().trim();

        String[] cards = inputLine.split("[ CDHS,]+");
        int sumOfCards = 0;
        String previousCard = "", nextCard;
        int cardValue = 0;
        for (int i = 0; i + 1 < cards.length; i++) {
            nextCard = cards[i + 1];
            cardValue = getTheCardValue(cards[i]);
            if ((i > 0 && cards[i].equals(previousCard))
                    || (i < cards.length - 1 && nextCard.equals(cards[i]))) {
                sumOfCards += 2 * cardValue;
            } else {
                sumOfCards += cardValue;
            }

            previousCard = cards[i];
        }

        if (cards[cards.length - 1].equals(previousCard)) {
            sumOfCards += 2 * cardValue;
        } else {
            sumOfCards += getTheCardValue(cards[cards.length - 1]);
        }

        System.out.println(sumOfCards);
    }

    private static int getTheCardValue(String card) {
        switch (card) {
        case "J":
            return 12;
        case "Q":
            return 13;
        case "K":
            return 14;
        case "A":
            return 15;

        default:
            return Integer.parseInt(card);
        }
    }

}