Web Application Technologies: Servlets, Struts, and Applets

This report provides a comprehensive introduction to web application technologies, exploring the core concepts and functionalities of servlets, Struts, and applets. It begins by defining web applications and their architecture, highlighting the role of web archive files and the benefits of web-based applications (WBAs). The report then delves into servlets, explaining their purpose in server-side processing and their advantages over CGI programs, including reduced memory overhead and platform independence. The document also examines InternetBeans Express, a technology that enhances JSP development by integrating with servlet and JSP technologies. The report further discusses Struts, a web application development framework based on the MVC architecture, detailing its components like ActionServlet, Action class, and ActionForm class. Finally, the report provides an overview of applets, discussing their advantages and disadvantages, and concludes with guidelines on how to choose the appropriate technology for different web application requirements, including decision tips for servlets, JSPs, applets, and Struts.