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// 2. Servlet with Session Management @WebServlet("/login") public class LoginServlet extends HttpServlet protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException

@GET @Produces(MediaType.APPLICATION_JSON) public List<User> getUsers() return userService.getAllUsers(); java server programming black book pdf

static HikariConfig config = new HikariConfig(); config.setJdbcUrl("jdbc:mysql://localhost:3306/mydb"); config.setUsername("root"); config.setPassword("password"); config.setMaximumPoolSize(10); dataSource = new HikariDataSource(config); HttpServletResponse resp) throws ServletException