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May 14, 2021 22:00 Servlet
Servlet provides a component-based, platform-independent approach to creating web-based applications that are not limited by the performance of CGI programs.
The servlet has access to all Java APIs, including the JDBC API, which accesses the enterprise database.
This tutorial explains how to use Java Servlet to develop web-based applications.
This tutorial is designed for Java programmers. B efore you read this tutorial, you need to understand the Java Servlet framework and its APIs. By the end of this tutorial, you'll find yourself at a moderate level with Java Servlet, and you'll be able to take the next step on your own through deeper learning and practice.
Before you start reading this tutorial, it's a good idea to have a good understanding of the Java programming language. If you have a basic understanding of how web applications and the Internet work, it will help you understand this tutorial.
Java Servlet is a program that runs on a Web server or application server and is the middle tier between a request from a Web browser or other HTTP client and a database or application on an HTTP server.
With servlets, you can collect user input from web forms, render records from databases or other sources, and create web pages dynamically.
Java Servlets typically have the same effect as programs implemented using CGI (Common Gateway Interface, Public Gateway Interface). However, compared to CGI, Servlet has the following advantages:
The following image shows the location of the servlet in the web application.
Servlet performs the following key tasks:
Java Servlet is a Java class that runs on a web server with an interpreter that supports the Java Servlet specification.
Servlet can be created using javax.servlet and javax.servlet.http packages, which are standard components of Java Enterprise, an extended version of the Java class library that supports large development projects.
These classes implement the Java Servlet and JSP specifications. At the time of writing, the corresponding versions of the two are Java Servlet 2.5 and JSP 2.1, respectively.
Java Servlet has been created and compiled just like any other Java class. After you install the servlet packages and add them to the Classpath class path on your computer, you can compile the servlet through JDK's Java compiler or any other compiler.
Next, this tutorial takes you step by step to set up your servlet environment to get started with subsequent servlet use. S o fasten your seat belt and start your Servlet learning journey with us! I'm sure you'll love this tutorial.