Java - Servlets in More Detail

Java module J906

Servlets in More Detail

Exercises, examples and other material relating to training module J906. This topic is presented on public courses Learning to Program in Java, Java Bootcamp, Java Programming for the Web

Learning to Program in Java - training course - Writing Java programs for newcomers to programming.

Learning to Program in Java - Writing Java programs for newcomers to programming. This course introduces you to programming in the Java programming language. ...

http://www.wellho.net/course/sjfull.html [course]

Java Bootcamp - training course - An intense course on Java programming, Servlets and JSPs

Java Bootcamp - An intense course on Java programming, Servlets and JSPs This course introduces you to the Java programming language, and its Internet ...

http://www.wellho.net/course/bjfull.html [course]

Java Programming for the Web - training course - Learn to write server- or client-side applications in Java.

Java Programming for the Web - Learn to write server- or client-side applications in Java. This course introduces you to the Java programming language, ...

http://www.wellho.net/course/jpfull.html [course]

Sessions in Servlets

The following examples show the newer session tracking API in use within Servlets. The first time a user runs the Barman servlet, it sets up a session ...

http://www.wellho.net/solutions/java-ses ... vlets.html [longer article]

javax.servlet cannot be resolved - how to solve

Two common problems in compiling Servlets for use within a Tomcat container ... PROBLEM: My Java Compile of a Servlet says "javax.servlet cannot be ...

http://www.wellho.net/mouth/1909_jav ... solve.html [short article]

Servlet life cycle, and Java Servlet variable scope

If you write a 'traditional' program and run it ... then it is cleared from memory when you finish running it. It does its job then exits. And so it ...

http://www.wellho.net/mouth/2183_Ser ... scope.html [short article]

Single login and single threaded models - Java and PHP

On Apache Tomcat courses, I find myself explaining "single login" models and on some Java courses I explain single threaded models. In both cases, there ...

http://www.wellho.net/mouth/1495_Sin ... d-PHP.html [short article]

If you're writing a substantive web application, you're likely to have a number of visitors to your site at the same time, with each of them calling up a series of screens. In this module, we examine parameter handling, session control, and the persistence of servlets from one call to the next.

This topic is presented on public courses Learning to Program in Java, Java Bootcamp, Java Programming for the Web

Examples from our training material

Barman.java	Web server / Servlet Sessions - simple demo
HelloServlet.java	Hello Servlet World
Landlord.java	Web Server / Servlet / Sessions, with session interaction
PubWatch.java	Tracking and sessions for clustering demo

Background information

This module is available under an Open Training Notes License for free download from http://www.training-notes.co.uk.

Topics covered in this module

Introduction.
What is a Servlet?.
How do Servlets fit into the scheme of things?.
What alternatives are there to servlets?.
Servlet Engines.
Java Class Structure.
Data Interface.
A first servlet.
Reading from a form.
At a higher level.
Get v Post.
The life of a servlet.
Initialisation.
Destruction.
Example procedure - take an application of ours, modify, re-upload.
Maintaining State.
Session Objects.
Rewriting URLs.
Hidden fields.
Programming techniques.
Webifying output.
Keeping code and pages separate.
State Diagrams.
Other facilities of servlets.
Multiuser Servlets.
Servlet Descriptions.
Cookies.
Sessions in Servlets.

Complete learning

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