某段截取2

// 数据库连接信息     private static String url = "jdbc:mysql://localhost/talent_management_system";     private static String username = "root";     private static String password = "password";     private static Connection conn = null;       public static void main(String[] args) {         // 连接到数据库         try {             conn = DriverManager.getConnection(url, username, password);             System.out.println("成功连接到数据库");         } catch (SQLException e) {             System.out.println("无法连接到数据库：" + e.getMessage());             return;         }