O3. Man On War / O6. Mid Exam Retake

package MidExam.O6;


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

public class O3ManOnWar {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        List<Integer> pirateShip = Arrays.stream(scanner.nextLine().split(">")).
                map(Integer::parseInt).collect(Collectors.toList());

        List<Integer> warship = Arrays.stream(scanner.nextLine().split(">")).
                map(Integer::parseInt).collect(Collectors.toList());
        int maxHealth = Integer.parseInt(scanner.nextLine());
        String command = scanner.nextLine();
        while (!command.equals("Retire")) {
            String type = command.split("\\s+")[0];

            switch (type) {
                case "Fire":
                    int index1 = Integer.parseInt(command.split("\\s+")[1]);
                    int index2 = Integer.parseInt(command.split("\\s+")[2]);
                    if (index1 >= 0 && index1 < warship.size()) {
                        warship.set(index1, warship.get(index1) - index2);
                        if (warship.get(index1) <= 0) {
                            System.out.println("You won! The enemy ship has sunken.");
                            return;
                        }
                    }
                    break;
                case "Defend":
                    index1 = Integer.parseInt(command.split("\\s+")[1]);
                    index2 = Integer.parseInt(command.split("\\s+")[2]);
                    int index3 = Integer.parseInt(command.split("\\s+")[3]);
                    if (index1 >= 0 && index1 < pirateShip.size()&& index2 >= 0 && index2 < pirateShip.size()) {
                        for (int i = index1; i <= index2; i++) {
                            pirateShip.set(i, pirateShip.get(i)-index3);

                            if (pirateShip.get(i) <= 0) {
                                System.out.println("You lost! The pirate ship has sunken.");
                                return;
                            }
                        }
                    }
                    break;
                case "Repair":
                    index1 = Integer.parseInt(command.split("\\s+")[1]);
                    index2 = Integer.parseInt(command.split("\\s+")[2]);
                    if (index1 >= 0 && index1 < pirateShip.size()) {

                        pirateShip.set(index1, pirateShip.get(index1) + index2);
                        if (pirateShip.get(index1) > maxHealth) {
                            pirateShip.set(index1,maxHealth);
                        }
                    }
                    break;
                case "Status":
                    int count = 0;
                    for (Integer integer : pirateShip) {
                        if (integer < 0.2 * maxHealth) {
                            count++;
                        }
                    }
                    System.out.println(count + " sections need repair.");
                    break;
            }
            command = scanner.nextLine();
        }
        int pirateShipStatus = 0;
        for (Integer currentStatus : pirateShip) {
            pirateShipStatus += currentStatus;
        }
        int warShipStatus = 0;
        for (Integer currentStatus : warship) {
            warShipStatus += currentStatus;
        }
        System.out.println("Pirate ship status: " + pirateShipStatus);
        System.out.println("Warship status: " + warShipStatus);
    }
}