How many objects of a servlet is created?

one object
1) How many objects of a servlet is created? Only one object at the time of first request by servlet or web container.

How many servlet instances are created when multiple requests arrive simultaneously?

Only one instance will be created for every servlet. Generally servlet instantiation is done by the container. But based on the number of requests coming to the servlet that much no. of threads are created.

How many requests can a servlet handle?

c) Servlet container creates 4 sets of request, response objects on one set per each request. (if any change is occur recompile, reload.) Every thread can be identified through its “thread name”. Every object can be identified with its unique number called “Hashcode”.

How does same servlet handle multiple requests?

They help handle several requests through threading. @AlexanderTorstling you’re completely wrong. A servlet is a singleton, and is shared among all the requests. Each request is served by a thread, and concurrent requests are thus served by concurrent threads, each calling the same servlet concurrently.

Is a new servlet created for every request?

Generally the Web container handles concurrent requests to the same servlet by concurrent execution of the service method on different threads. Each HTTP request creates a new thread but accesses the same instance of the Servlet. EDIT: In case of one server node, you will have the same Servlet instance on that node.

How many servlet config objects are created for a web application?

For every servlet, one object will be created by the server i.e. ServletConfig object. However, ServletContext is for the whole application. It is used when we need to share information among some/all servlets/jsp’s in a particular web application. It can be accessed by using getServletConfig().

How does servlet container handle multiple concurrent requests for a servlet?

A Java servlet container / web server is typically multithreaded. That means, that multiple requests to the same servlet may be executed at the same time. Therefore, you need to take concurrency into consideration when you implement your servlet.

How does servlet container handle multiple concurrent requests for a servlet Mcq?

Explanation: No explanation is available for this question! 13) Servlets handle multiple simultaneous requests by using threads.

How many ServletConfig objects are created for a Web application?

ServletConfig is one per servlet ServletContext is one per web app.

How are objects of servlet class created?

Servlets ​​Init Method is used to initialise a Servlet. After the web container loads and instantiates the servlet class and before it delivers requests from clients, the web container initializes the servlet. The following destroy method releases the database object created in the init method.

How many servlet context objects are available for an entire web application?

There can only be one ServletContext object per web application.

Can web XML have multiple servlet mapping?

You can declare multiple servlets using the same class with different initialization parameters. The name for each servlet must be unique across the deployment descriptor. The element specifies a URL pattern and the name of a declared servlet to use for requests whose URL matches the pattern.

How many instances of a servlet are created per thread?

You are right, Only single instance of Servlet is created, but that instance is shared across multiple threads. For this reason you should never have shared mutable states in your Servlets. The Web Server will have something similar (Not necessarily same) in its code. Each request is processed in a separated thread.

How many objects are created during the lifetime of a servlet?

Only one object is created during the lifetime of a servlet . When you start the server it reads your web.xml file or your annotations and loads the class into memory and creates the object for that servlet class

What is servlet in servlet?

A Servlet is instantiated only once in the container, and this Servelt object is used for any further request processing, be it another 15-20 different requests, this servlet object is shared among the different requests. per-request new thread is created to handle the request not the Servlet object.

Can we create an object of a servlet class in Java?

We can create an object of our servlet class. But because servlet operation depends on the servlet context, request, response, etc provided by the web container, there is nothing to be gained by creating one outside the container environment. In one sentence – By doing so, we cannot expect to work as a servlet.