What is multithreading in 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. Your servlet service() method should not access any member variables, unless these member variables are thread safe themselves.

What is the significance of the SingleThreadModel interface Mcq?

The servlet programmer should implement SingleThreadModel interface to ensure that servlet can handle only one request at a time. It is a marker interface, means have no methods.

What is servlet interface in Java?

This interface is for developing servlets. A servlet is a body of Java code that is loaded into and runs inside a servlet engine, such as a web server. The Servlet interface defines methods to initialize a servlet, to receive and respond to client requests, and to destroy a servlet and its resources.

Is servlet single thread?

Servlets are intrinsically multithreaded. This means a single instance can be accessed by more than one thread. If a servlet implements the SingleThreadModel interface, the container will not execute the service () method in more than one thread simultaneously.

How does servlet handle multiple requests?

By default web-server creates only one instance per servlet, if multiple request is going to a servlet then each request will processed in a separate thread, so container creates a thread per request for the single servlet instance, so your servlet should be thread-safe.

What is multithreading How does Java support multithreading?

Multithreading is a Java feature that allows concurrent execution of two or more parts of a program for maximum utilization of CPU. Each part of such program is called a thread. So, threads are light-weight processes within a process.

What is SingleThreadModel interface?

Interface SingleThreadModel Ensures that servlets handle only one request at a time. This interface has no methods. If a servlet implements this interface, you are guaranteed that no two threads will execute concurrently in the servlet’s service method. This interface is deprecated in Servlet API version 2.4.

What is the use of JSF Mcq?

1) What is JSF (JavaServer Faces)? It is used to develop web applications. It provides a well-defined programming model and consists of rich API and tag libraries. The latest version JSF 2 uses Facelets as its default templating system.

Is GenericServlet an interface?

The GenericServlet class implements the Servlet interface and, for convenience, the ServletConfig interface. The GenericServlet class was created to make writing servlets easier. It provides simple versions of the life-cycle methods init and destroy, and of the methods in the ServletConfig interface.

How many methods are there in Servlet interface?

There are 5 methods in Servlet interface. The init, service and destroy are the life cycle methods of servlet. These are invoked by the web container….Methods of Servlet interface.

Method	Description
public ServletConfig getServletConfig()	returns the object of ServletConfig.