Search results
19 paź 2021 · init () method: The Servlet.init () method is called by the Servlet container to indicate that this Servlet instance is instantiated successfully and is about to put into service.
To write a Java servlet, you define a class that extends the HttpServlet class. The servlet engine controls the servlets using the init, doGet, doPost, destroy, and other methods. By default, the doGet and doPost methods do nothing. To handle the GET request, you need to override the doGet
Just like applets, servlets can define init() and destroy() methods. A servlet's init(ServletConfig) method is called by the server immediately after the server constructs the servlet's instance. Depending on the server and its configuration, this can be at any of these times:
•The Servlet API inherits all the features of the Java platform. •It builds and modifies the security logic for server-side extensions. •Servlets inherit the security provided by the Web Server. •In Servlet, only a single instance of the requests runs concurrently. It does not run in a separate process. So, it saves the
You must know that init is part of Servlet lifecycle. The first time the servlet loaded in Glassfish or Tomcat, the init method will be called and servlet stays in memory of the application server. The subsequent call will execute servlet and the init method will not be called.
The init method is used to initialize the servlet. It is the life cycle method of the javax.servlet.Servlet interface. Syntax of the init method is given below: 1. public void init(ServletConfig config) throws ServletException 4) service method is invoked The web container calls the service method each time when request for the servlet is received.
The init() method is called only once by the servlet container throughout the life of a servlet. By this init() method the servlet get to know that it has been placed into service.
