O3. Moving Target / O3. Mid Exam Retake

package MidExam.O3;

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

public class O3MovingTarget {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        List<Integer> test = Arrays.stream(scanner.nextLine().split("\\s+")).
                map(Integer::parseInt).collect(Collectors.toList());
        String command = scanner.nextLine();

        while (!command.equals("End")) {
            String type = command.split("\\s+")[0];
            int index = Integer.parseInt(command.split("\\s+")[1]);
            int number = Integer.parseInt(command.split("\\s+")[2]);
            switch (type) {
                case "Shoot":
                    if (index >= 0 && index < test.size()) {
                        test.set(index, test.get(index) - number);
                        if (test.get(index) <= 0) {
                            test.remove(index);
                        }
                    }
                    break;
                case "Strike":
                    if (index + number < test.size() && index - number >= 0) {
                        int to = Math.max(0, index - number);
                        int from = Math.min(test.size() - 1, index + number);
                        if (from >= to) {
                            test.subList(to, from + 1).clear();
                        }
                    } else {
                        System.out.println("Strike missed!");
                    }
                    break;
                case "Add":
                    if (index >= 0 && index < test.size()) {
                        test.add(index, number);
                    } else {
                        System.out.println("Invalid placement!");
                    }
                    break;
            }
            command = scanner.nextLine();
        }
         List<String> print= new ArrayList<>();
         for (Integer integer : test) {
          String current = String.valueOf(integer);
          print.add(current);
         }
        System.out.println(String.join("|", print));
    }
}