DeckOfCards

package MidExam;

import java.util.Arrays;
import java.util.List;
import java.util.Scanner;
import java.util.stream.Collectors;

public class DeckOfCards {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        List<String> cardsDeckList = Arrays.stream(scanner.nextLine().split(", "))
                .collect(Collectors.toList());
        int numberOfCommands = Integer.parseInt(scanner.nextLine());

        for (int i = 1; i <= numberOfCommands; i++) {
            String[] commandArr = scanner.nextLine().split(", ");
            String command = commandArr[0];

            switch (command) {

                case "Add":
                    String addCardName = commandArr[1];
                    if (cardsDeckList.contains(addCardName)) {
                        System.out.println("Card is already in the deck");
                    } else {
                        cardsDeckList.add(addCardName);
                        System.out.println("Card successfully added");
                    }
                    break;

                case "Remove":
                    String removeName = commandArr[1];
                    if (cardsDeckList.contains(removeName)) {
                        cardsDeckList.remove(removeName);
                        System.out.println("Card successfully removed");
                    } else {
                        System.out.println("Card not found");
                    }
                    break;

                case "Remove At":
                    int removeIndex = Integer.parseInt(commandArr[1]);
                    if (removeIndex >= 0 && removeIndex < cardsDeckList.size()) {
                        cardsDeckList.remove(removeIndex);
                        System.out.println("Card successfully removed");
                    } else {
                        System.out.println("Index out of range");
                    }
                    break;

                case "Insert":
                    int insertIndex = Integer.parseInt(commandArr[1]);

                    if (insertIndex >= 0 && insertIndex < cardsDeckList.size()) {
                        String insertName = commandArr[2];
                        if (cardsDeckList.contains(insertName)) {
                            System.out.println("Card is already added");
                        } else {
                            cardsDeckList.add(insertIndex, insertName);
                            System.out.println("Card successfully added");
                        }
                    } else {
                        System.out.println("Index out of range");
                    }
                    break;
            }
        }
        //
        System.out.println(String.join(", ", cardsDeckList));
    }
}