import java.sql.SQLException;
import java.sql.Statement;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.DriverManager;
import java.util.ArrayList;
 
class App {
    public static ArrayList<Employee> getEmployees() {
        ArrayList<Employee> employeeList = new ArrayList<>();
        Connection conn = null;
        try {
            Class.forName("org.mariadb.jdbc.Driver");
            String url = "jdbc:mariadb://localhost:3306/surubt";
            conn = DriverManager.getConnection(url, 
            "surubt", "titok");
 
            String sql = "select * from employees";        
            Statement stmt = conn.createStatement();
            ResultSet rs = stmt.executeQuery(sql);
            while(rs.next()) {
                Employee emp = new Employee(
                    rs.getInt("id"),
                    rs.getString("name"),
                    rs.getString("city"),
                    rs.getDouble("salary"),
                    rs.getDate("birth").toLocalDate()
                    );
                employeeList.add(emp);
            }
 
 
        }catch(SQLException ex) {
            System.err.println("Hiba! Az SQL művelet sikertelen!");
            System.err.println(ex.getMessage());
        }catch(ClassNotFoundException ex) {
            System.err.println("Hiba! A MariaDB driver nem található!");
            System.err.println(ex.getMessage());            
        }
        return employeeList;
    }
 
    public static void main(String[] args) {
        ArrayList<Employee> employeeList;
        employeeList = getEmployees();
        employeeList.forEach(emp -> {
            System.out.println(emp.name);
        });
    }
}