regex-exam

package exam;

import exam.engines.Engine;

import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        // TODO
//        Engine engine = new Engine();
//        engine.run();

        int n = Integer.parseInt(scanner.nextLine());
        Pattern pattern = Pattern.compile("^n:(?<name>[^;]+);t:(?<kind>[^;]+);c--(?<country>[A-Za-z\\s]+)$");
        int totalWeight = 0;

        for (int i = 0; i < n; i++) {
            String input = scanner.nextLine();
            Matcher matcher = pattern.matcher(input);

            StringBuilder nameResult = new StringBuilder();
            StringBuilder kindResult = new StringBuilder();

            int animalWeight = 0;

            if (matcher.find()) {
                String animalName = matcher.group("name");
                String animalKind = matcher.group("kind");
                String country = matcher.group("country");

                for (int j = 0; j < animalName.length(); j++) {
                    char currChar = animalName.charAt(j);

                    if (Character.isLetter(currChar)) {
                        nameResult.append(currChar);
                    }

                    if (Character.isDigit(currChar)) {
                        animalWeight += Character.getNumericValue(currChar);
                    }
                }

                for (int j = 0; j < animalKind.length(); j++) {
                    char currChar = animalKind.charAt(j);

                    if (Character.isLetter(currChar)) {
                        kindResult.append(currChar);
                    }

                    if (Character.isDigit(currChar)) {
                        animalWeight += Character.getNumericValue(currChar);
                    }
                }

                totalWeight += animalWeight;
                System.out.println(String.format("%s is a %s from %s", nameResult, kindResult, country));
            }
        }

        System.out.printf("Total weight of animals: %dKG\n", totalWeight);
    }
}