Two minor errors in Status + Fire commands.

;-)

package midExam;
 
import java.util.Arrays;
import java.util.List;
import java.util.Scanner;
import java.util.stream.Collectors;
 
public class manOfWar {
    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 comand = scanner.nextLine();
        int countPirate = 0;
        boolean isSunk = false;
 
        while (!comand.equals("Retire")){
            String[] comandArr = comand.split(" ");
 
 
            if (comand.contains("Fire")){
                int index = Integer.parseInt(comandArr[1]);
                int damage = Integer.parseInt(comandArr[2]);
                if (index >= 0 && index <= warShip.size() -1){
                    int curentIndexWarShip = warShip.get(index);
                    curentIndexWarShip -= damage;
                    warShip.set(index, curentIndexWarShip);
                    if (curentIndexWarShip <= 0){
                        System.out.println("You won! The enemy ship has sunken.");
                      isSunk = true;  
                      break;
                    }
                }
            }else if (comand.contains("Defend")){
                int startIndex = Integer.parseInt(comandArr[1]);
                int endIndex = Integer.parseInt(comandArr[2]);
                int damagePirate = Integer.parseInt(comandArr[3]);
                if (startIndex >= 0 && startIndex < pirateShip.size() && endIndex >= 0 && endIndex < pirateShip.size()){
                    for (int i = startIndex; i <= endIndex; i++) {
                        int curentSection = pirateShip.get(i);
                        curentSection -= damagePirate;
                        if (curentSection <= 0){
                            System.out.println("You lost! The pirate ship has sunken.");
                            pirateShip.set(i, curentSection);
                            isSunk = true;
                            break;
                        }
                        pirateShip.set(i, curentSection);
                    }
                }
            }else if (comand.contains("Repair")){
                int indexSection = Integer.parseInt(comandArr[1]);
                int health = Integer.parseInt(comandArr[2]);
                if (indexSection >= 0 && indexSection < pirateShip.size()){
                    int valuePirateSection = pirateShip.get(indexSection);
                    if (valuePirateSection + health >= maxHealth){
                        valuePirateSection = maxHealth;
                        pirateShip.set(indexSection, valuePirateSection);
                    }else {
                        valuePirateSection += health;
                        pirateShip.set(indexSection, valuePirateSection);
                    }
                }
            }else if (comand.equals("Status")){
                double status = maxHealth * 0.2;
                for (int item : pirateShip) {
                    if (item < status){
                        countPirate += 1;
                    }
                }
                System.out.printf("%d sections need repair.%n", countPirate);
              countPirate = 0;
            }
 
            comand = scanner.nextLine();
        }
        if (isSunk){
            return;
        }
        int pirate = 0;
        int war = 0;
        for (int item : pirateShip) {
            pirate += item;
        }
        for (int product : warShip) {
            war += product;
        }
        System.out.printf("Pirate ship status: %d%n", pirate);
        System.out.printf("Warship status: %d", war);
 
    }
}