Santa`s List [Mimi}

package OLD_MID_EXAMs_18_12_18;

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

public class _02_SantasList {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        List<String> kids = Arrays.stream(scanner.nextLine()
                .split("&"))
                .collect(Collectors.toList());

        String input = "";
        while (!"Finished!".equals(input = scanner.nextLine())) {

            String[] lineArr = input.split("\\s+");
            String command = lineArr[0].trim(); //за всеки случай, да не остане спейс,защото няма да мачне

            switch (command) {
                case "Bad":
                    if (!kids.contains(lineArr[1])) {
                        kids.add(0, lineArr[1]);
                    }
                    break;
                case "Good":
                    kids.remove(lineArr[1]);
                    break;
                case "Rename":
                    if (kids.contains(lineArr[1])) {

                        kids.set(kids.indexOf(lineArr[1]), lineArr[2]);
                    }
                    break;
                case "Rearrange":
                    if (kids.contains(lineArr[1])) {
                        kids.remove(lineArr[1]);
                        kids.add(lineArr[1]);
                    }
                    break;
            }

        }

        System.out.println(kids.toString().replaceAll("[\\[\\]]", ""));
    }
}