Java Server Programming Black | Book Pdf

@GET @Produces(MediaType.APPLICATION_JSON) public List<User> getUsers() return userService.getAllUsers();

@POST @Consumes(MediaType.APPLICATION_JSON) @Produces(MediaType.APPLICATION_JSON) public Response createUser(User user) userService.save(user); return Response.status(Response.Status.CREATED).entity(user).build(); java server programming black book pdf

// 3. Database Connection Pool public class DatabasePool private static HikariDataSource dataSource; @GET @Produces(MediaType

// 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&lt

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);

public static Connection getConnection() throws SQLException return dataSource.getConnection();