What is INIT in JSP?
The jspInit() method of the javax. servlet. This method is invoked by the container only once when a JSP page is initialized. It can be overridden by a page author to initialize resources such as database and network connections, and to allow a JSP page to read persistent configuration data.
What is the purpose of init () and destroy () function?
If you know a bit about servlets, you know that a servlet has two methods the container calls when the servlet is loaded and shut down, respectively. These methods are called init( ) and destroy( ) , and they allow the servlet to initialize instance variables when it’s loaded and clean up when it’s shut down.
Why is init () method is used in servlets?
init. Called by the servlet container to indicate to a servlet that the servlet is being placed into service. The servlet container calls the init method exactly once after instantiating the servlet. The init method must complete successfully before the servlet can receive any requests.
How many times Init method is called?
The init method is called only once. It is called only when the servlet is created, and not called for any user requests afterwards. So, it is used for one-time initializations, just as with the init method of applets.
What is JSP service method?
_jspService() method is used to serve the raised requests by JSP. It takes request and response objects as parameters. This method cannot be overridden.
What is the purpose of Init method in spring?
The init-method attribute specifies a method that is to be called on the bean immediately upon instantiation. Similarly, destroymethod specifies a method that is called just before a bean is removed from the container.
What is init () method in Java?
The term init() is a method name in Java. The name is followed by Java code within { and }. A method has a name, such as init, and parentheses, such as ( ). The parentheses may contain arguments if the method is intended to receive some information to use in its statements.
What is the use of Init method in Java?
Init method is a predefine method to initialize an object after its creation. Init Method is a life cycle method for Servlets for java. It is invoked only once. It is used for initialization of servlets.
What is Init method in Java?
Init method is a predefined method to initialize an object after its creation. Init method is a life cycle method for servlets for java. It is started by the browser when java program is loaded and run by the browser. Init method is a predefine method to initialize an object after its creation. More.