Servlet in Java

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

What are the uses of Servlets

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Servlets are implemented using java language so these have platform independent feature. These are faster than CGI These have declarative security management feature It is server side component,so servlets inherit the security provided by web server Servlets are a key component in Java for developing web applications. They are server-side programs that run on the … Read more

What is a Servlet

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Servlet is server side component, a servlet is small pluggable extension to the server. Servlets are used to extend the functionality of the java-enabled server. Servlets will be loaded in theAddress space of web server. Servlet can be loaded in 3 ways When the web sever starts. You can set this in the configuration file. … Read more

Can we Use the Constructor, Instead of init(), to Initialize Servlet

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Yes, of course you can use the constructor instead of init(). There’s nothing to stop you. But you shouldn’t. The original reason for init() was that ancient versions of Java couldn’t dynamically invoke constructors with arguments, so there was no way to give the constructur a ServletConfig. That no longer applies, but servlet containers still … Read more

How do servlets handle multiple simultaneous requests?

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The server has multiple threads that are available to handle requests. When a request comes in, it is assigned to a thread, which calls a service method (for example: doGet(), doPost() and service()) of the servlet. For this reason, a single servlet object can have its service methods called by many threads at once. Servlets … Read more