import java.io.FileNotFoundException;
import java.io.FileReader;
import java.util.ArrayList;
import java.util.Scanner;

public class App {
    public static void main(String[] args) {
        ArrayList<Employee> employeeList = readFile();
        if (employeeList != null) {
            System.out.println(employeeList.get(0).name);
        }else {
            System.out.println("Nincs dolgozó");
        }
        
    }
    public static ArrayList<Employee> readFile() {
        ArrayList<Employee> employeeList = new ArrayList<>();
        try {
            employeeList = tryReadFile();
        }catch(FileNotFoundException e) {
            System.err.println("Hiba! A fájl nem található!");
        }
        return employeeList;
    }
    private static ArrayList<Employee> tryReadFile() 
    throws FileNotFoundException {
        ArrayList<Employee> employeeList = new ArrayList<>();
        FileReader fileReader = new FileReader("adat.txt");
        Scanner scanner = new Scanner(fileReader);
        while(scanner.hasNext()) {
            String line = scanner.nextLine();
            String[] array = line.split(":");
            Employee employee = new Employee();
            employee.name = array[0];
            employee.city = array[1];
            employeeList.add(employee);
        }
        scanner.close();
        if(employeeList.size()<1) {
            return null;
        }else {
            return employeeList;
        }
        
    }
}