Java Training : Java Servlets Using J2EE RI

The Java 2 Enterprise Edition (J2EE) is a comprehensive, sophisticated technology for creating enterprise applications. An important part of J2EE is the capability to create powerful web-based front-end applications. The servlet is the building block of these web applications.

A servlet is a Java component for receiving and handling web-based requests. It is also the foundation for JavaServer Pages (JSPs), which let you reply to a request with a dynamic web page.

This course will, through lecture and hands-on workshops, teach you how to write servlets and use them to build web applications. It includes coverage of important topics such as HTTP sessions and multi-threading. It uses the reference implementation server that comes with the J2EE, a simple but full-featured, state of the art servlet engine.

Note that this course mentions but does not cover JavaServer Pages; they are covered separately in a follow-on course.

Java Training Prerequisites

Students are expected to know the Java programming language and how to write a Java program. Familiarity with web programming, HTML and CGI is helpful but not essential.

Java Training Course duration

2 Days

Java Training Learning Objectives

After completing this course a student should:

Explain what servlets are, where they fit in the J2EE model and how they are used to build web applications.
Lay out the basic architecture of servlets.
Explain how to construct a servlet, how to invoke it and get its results.
Explain how to configure servlets with initialization and context parameters.
Explain how to use HTTP sessions in servlets.

Java Training Course outline

Introduction to Servlets

What are Servlets?
How are Servlets Used?
Why Use Servlets?
The Servlet Container
Servlet Mechanics
Servlets & JSPs
Servlets vs. CGI

Servlet Basics

A Hello World Servlet
The Servlet API
The Servlet Interface
Using GenericServlet
Service Parameters
ServletRequest
ServletResponse

Deploying Web Applications

Application Packaging
Web Applications
Invoking a Servlet

Deploying in J2EE RI

J2EE RI Overview
Deploying Servlets
Deploy Tool Traps

HTTP Servlets

HTTP Review
HTTP Commands
Servlets & HTTP
HTTP-Specific Methods
HTTP Request & Response
HTTP Headers

Building Web Applications

Web Applications
Dispatching Requests
Passing Data
HTTP Redirection

Configuring Web Apps

Configuring Web Apps
Context Params
Servlet Parameters
Servlet Aliases

Configuring Web Apps In J2EE RI

Configuring Web Applications
Context Params
Servlet Parameters
Servlet Aliases
Viewing the Descriptor

Talking to Clients

HTTP Sessions
Servlets & Sessions
Cookies
Cookies vs Sessions

Other Servlet Issues

Threads & Servlets
Logging
Error Handling

Hardware/Software Requirements

Hardware Requirements

Intel-based PC Workstation

Windows NT 4.0 or 2000 Professional

Note: Windows 95 & 98 are NOT supported

Minimum 586 166 MHz Processor
Minimum of 64 MB memory
Minimum of 4 KB environment space
Minimum of 120 MB disk space for Java software; additional 140 MB for documentation

SUN Solaris/SPARC

Sun Solaris 2.6, 2.7 or 8
Minimum of 64 MB memory
Minimum of 4 KB environment space
Minimum of 120 MB disk space for Java software; additional 140 MB for documentation

Software Requirements

Java 2 Standard Edition version 1.3 software and documentation*
Java 2 Enterprise Edition software and documentation*
A Web browser
Adobe Acrobat Reader*
Student files
Text Editor*

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