Servlet is a Java programming language class, which helps to improve server capabilities and provides a component-based, platform-independent method for creating web based applications.
Servlets are server side components that provide a powerful mechanism for developing server side programs and Web-based applications, without the performance limitations of CGI programs. Moreover, Java Servlet also overcomes the limitations of CGI program that receive and respond to requests from Web clients and enables the performance of multiple requests and stays in memory. Java applet makes the tasks to be performed faster by reducing the time of setting up and tearing down the process.
In addition to that, Servlets can access the entire family of Java APIs ranging from the JDBC API to access enterprise databases and provides access to a library of HTTP-specific calls and receive all the benefits of the mature java language including portability, performance, reusability, and crash protection.
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