JSP and Servlets - The Complete Course

Explains the servlet lifecycle from initialization to destruction, showing how the container initializes the servlet on first request, handles each request with the service method, and cleans up on shutdown.

Learn to send an html response back to the client by setting the content type and writing the response body for get and post requests.

Explore servlet requests by retrieving parameters with getParameter and getParameterNames, checking content length and type, reading input streams, and understanding forward versus include dispatchers.

Explore the jsp servlet request dispatcher in this lecture, compare forward and include, and learn how include preserves the current resource content while forward sends to another resource.

Learn how the servlet config interface provides configuration data from the container for easier maintenance. Discover how to retrieve configuration values and manage content-type and the request–response data flow.

Learn to build a login application with a servlet: create a project, design an index and login form, map actions, and validate username and password.

Build a login app with a servlet and MySQL by creating a user table, inserting records, and validating credentials with prepared statements to route on success or failure.

Learn session tracking techniques in JSP and Servlets to manage user sessions across web requests.

Explore session tracking in servlet applications and how session management maintains user state with cookies. Learn about hidden form fields and how cookies, persistent or non-persistent, help identify returning users.

Learn how to implement session management in a jsp and servlets app by using cookies for login, logout, and profile access, including handling cookies, usernames, and redirects.

Explains how to replace cookies with HTTP session tracking in a JSP/Servlet app, enabling login, profile access, and logout by using request.getSession and session attributes.

Create a form in the index file with a hidden field to pass a name value to a servlet, then submit to see how the session-tracking data is transmitted.

Explore session tracking using URL rewriting by submitting forms with hidden fields and name parameters, observing how get requests carry user data via anchors.

Explore servlet config and servlet context theory, where the container creates a distinct ServletConfig per servlet to read init parameters from web.xml, while a shared ServletContext serves all servlets.

Explore how servlet config and servlet context manage values and shared data across components, with practical examples of mapping, reading context, and handling configurations.

Learn to use attributes in servlets across request, session, and application scopes, and practice setting and retrieving values to pass data between servlets with concrete examples.

Explore how a filter, an interface with init, doFilter, and destroy, intercepts requests, performs authentication and post-processing, and passes control to the next resource.

Explore a filter config example for JSP and Servlets, demonstrating how a servlet forwards requests, checks a username parameter, and handles content type and response flow to illustrate authentication logic.

Explore JSP scripting elements: scriptlet, expression, and declaration tags. Write Java code inside JSP with scriptlets, display values using expression tags, and declare variables or methods with declaration tags.

Explore jsp implicit objects, including out, request, response, session, application, config, pageContext, page, and exception, and learn to print data, read form parameters, and display results in a jsp page.

Explore the response implicit object in JSP and Servlets, including how to send redirects and display data in a web application.

Explore the implicit object config in jsp and servlets, using implicit objects such as out, request, and response to read form values and map submissions to a welcome response.

Explore the implicit application object in JSP and servlets, define application scope for sharing data across pages, and access context values like username in a sample page.

Learn how to use the implicit session object in JSP to capture a username from a request, store it in the session, and retrieve it on the home page.

Explore the remaining JSP implicit objects, including pageContext, page, and exception, and learn how to access scope across page, request, session, and application, with example usage and error handling.

Learn how JSP directives shape page behavior, including page and include directives, and configure attributes like content-type, language, encoding, imports, and session handling.

This lecture demonstrates the jsp page directive with a hands-on example, creating a homepage link, defining the page, and exploring exception handling and error navigation within a running application.