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27 wrz 2008 · Constructor arguments cannot be specified on an interface, so the ServletContext needs to be specified on a normal method signature. This allows the application server to know how to initialize any Servlet implementation properly.
8 sty 2024 · In this example, we’ve shown how to define servlet initialization parameters by using annotations, and how to access them with the getInitParameter() method.
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.
29 mar 2023 · The init() Method. init() is declared as follows: public void init(ServletConfig config) throws ServletException. During initialization, the Servlet has to access two objects: ServletConfig; ServletContext; This is because to init() an object of ServletConfig is passed as a parameter.
The init method is quite simple: it calls the super.init method to manage the ServletConfig object and log the initialization, and sets a private field. If the BookDBServlet used an actual database, instead of simulating one with an object, the init method would be more complex.
9 sty 2024 · For every Servlet class in our application, the web container will create one ServletConfig object and the web container will pass this object as an argument to the public void init (ServletConfig config) method of our Servlet class object. Some of the important points on ServletConfig are:
The servlet container invokes this method exactly once to communicate to the servlet that it is being placed into service. In this function, the servlet generates and initializes the resources, including the data members, that it will use to handle requests.
