public class DatabaseManager {

    private Connection connection;
    private Statement statement;
    private ResultSet resultSet;


    public DatabaseManager()
    {
        try{
            connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/mydb?serverTimezone=UTC","root","toor");
            statement = connection.createStatement();
        }catch (Exception ex){
            ex.printStackTrace();
        }
    }