advance java in java interview questions

How Service() Method will Handle Requests

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The service() method is the main method to perform the actual task. The servlet container (i.e. web server) calls the service() method to handle requests coming from the client( browsers) and to write the formatted response back to the client. Each time the server receives a request for a servlet, the server spawns a new thread and … Read more

What is the Importance of init() Method in Servlet?

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The init method is designed to be called only once. It is called when the servlet is first created, and not called again for each user request. So, it is used for one-time initializations, just as with the init method of applets. The servlet is normally created when a user first invokes a URL corresponding … Read more

Explain Servlet Life Cycle

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A servlet life cycle can be defined as the entire process from its creation till the destruction. The following are the paths followed by a servlet The servlet is initialized by calling the init () The servlet calls service()method to process a client’s request. The servlet is terminated by calling the destroy() Finally, servlet is garbage collected by … Read more

Is Servlets Thread-Safe

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Servlets are not thread safe. If you want to make it Servlet as Thread safe, you can implement SingleThreadInterface. There are two different ways of making a servlet thread safe namely By implementing SingleThreadModel: By implementing a SingleThreadModel it will be possible to create a Thread safe servlet.There can only be one user at a … Read more

Why to use Servlet

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To develop a web application we need to handle multiple request and give the particular page, Servlet can handle multiple requests concurrently, and can synchronize requests Servlets are a key component of Java EE (Enterprise Edition) and are used to develop web applications. Here are several reasons why servlets are used in advanced Java development: … Read more