by Dinesh Thakur Category: introduction to Servlet

Before creating the first servlet, you need to understand the Servlet API and Tomcat Servlet container. The Servlet API provides interfaces and classes that are required to built servlets. These interfaces and classes are group into the following two packages :



 
by Dinesh Thakur Category: introduction to Servlet

The Common Gateway Interface (CGI) is the first technology used to generate dynamic contents. It allows a web client to pass data to the application running on the web server so that a dynamic web page can be returned to the client according to the input data. For example, when you use a search engine, buy a book at an online store; get a stock quote etc., your browser uses CGI to communicate with a server side application.



 
by Dinesh Thakur Category: introduction to Servlet

Java servlets provide web developers with a simple consistent mechanism for extending the functionality of a web server and provide dynamic behaviour for web applications. Servlets are Java classes that function like CGI programs. They accept a request from a client (usually a web browser), process that request and return a response to the client. All servlets are loaded and executed by a servlet container that can run by itself or as a component of a web server. The servlet container is also referred to as a servlet engine in the early days of servlet technology.



 
by Dinesh Thakur Category: introduction to Servlet

• The logic and data of stand alone, desktop applications are specific to that computer where these applications are running.

• The logics and data of client-server applications, two-tier applications like JDBC applications are specific to one network where they are running. In the above said two-tier, client-server applications the server allows only known clients (recognized clients).



 

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About Dinesh Thakur

Dinesh ThakurDinesh Thakur holds an B.SC (Computer Science), MCSE, MCDBA, CCNA, CCNP, A+, SCJP certifications. Dinesh authors the hugely popular blog. Where he writes how-to guides around Computer fundamental , computer software, Computer programming, and web apps. For any type of query or something that you think is missing, please feel free to Contact us.