Developing Java Web Applications (J2EE)

Course details

Introduction and Overview

• Servlet life cycle methods.
• Accessing servlet environment variables.

Creating web-based forms for user input

• Adding text fields and drop-down lists.
• Retrieving form data in the servlet.

Key components of Java EE for web development

• Servlets.
• JSP.
• XML.

Creating Java Server Pages (JSP)

• Using JSP scriptlets, expressions and declarations.
• Communicating with the client using built-in JSP server objects.
• Leveraging the JSP 2 Expression Language (EL).

State management with JSP

• Accessing cookies and sessions.
• Storing common application data.

Integrating JSP and JavaBeans

• Promoting object reuse.
• Separating application logic from the presentation.

Calling JSP from servlets

• Forwarding Java objects to JSP.
• Using JavaBeans to transfer data.
• Servlet and JSP design patterns.

Integrating JSP Custom Tags

• The role of JSP custom tags.
• Applying the JSP Standard Tag Library (JSTL).

Accessing Databases with Servlets

• Connecting to the database.
• Submitting SQL statements.
• Retrieving and processing data.

Formatting database results

• Constructing an HTML table.
• Adding drill-down features.

Maintaining State in Java Web Applications

• Retrieving cookies from a client request.
• Sending cookies to the client.
• Circumventing cookie limitations.
• Managing application state with sessions
• Creating a unique session for each user.
• Storing and retrieving Java objects within sessions.
• Controlling a session's life span.
• Creating application and session event listeners.
• Implementing a shopping cart.

Developing custom tags

• Creating custom tags with JSP 2 tag files.
• Customizing tag behavior with attributes.
• Developing JavaServer Faces (JSF) Applications
• JSF Framework overview
• Identifying the JSF core components.
• Managing application flow using JSF navigation model.

Building JSF components

• Developing back beans.
• Creating views with JSF custom tags.

Project

• Group of 2-3 persons select an idea.
• The lecturer discusses the code with you.