Exercises, examples and other material relating to training module J953. This topic is presented on public courses Deploying Java Applications on Linux / Unix
, Extra Day
Java supports a very wide range of technologies through class libraries and containers. This module provides you with an example of the combination of some of those technologies - servlets, database access and graphics - in order to provide pictorial, dynamic web content without the need for any browser plugins.
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|2245||Client side (Applet) and Server side (Servlet) Graphics in Java|
What is the current release of Java? Is it Java 1.6, Java 2 (1.6) or Java 6? Yes it is - they're all different names for the same thing!
Java started out as Java 1.0 ... and since code that would run on that Virtual Machine / written in that language will still run on today's version, it's still technically ...
|1466||Effective Java training - the bootcamp approach|
Our public Java courses:
Java Bootcamp- 4 days
Java Programming for the Web - 5 days
Deploying Java Apps under Linux / Unix - 5 days
Apache httpd and Tomcat Deployment - 2 days
Our courses are modular and we have further material - please ask about private courses if you have a group of delegates as ...
Examples from our training material
|Im1.java|| Generating an image file through AWT |
|Im2.java|| Generating an image file (AWT) using data from a database (JDBC) |
|Im3.java|| An image file (AWT) from a database (JDBC) via a web page (Servlet) |
|Im4.java|| An image (AWT) with form selected data (HTTP) from a database (JDBC) via a web page (Servlet) |
|formpage.html|| Web form that uses Im4.java |
|multigraph.html|| Web form that uses Im4.java (multiple images in one page) |
|web.xml|| Tomcat config file for the sample application |
You may download this module
as a sample of our material
Topics covered in this module
Worked example combining various Java technologies.
Uses data held in an SQL database to generate graphs on a web server for display via a browser.
Uses JDBC for Database connection.
Uses Utility classes of java.util to hold data internally.
Uses Abstract Windowing Toolkit (AWT) to draw graphics.
Uses Image I/O classes of javax to output a .jpg.
Uses a servlet container to make our class web visible.
Class is deployed via Tomcat with Catalina and Coyote.
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