Data Access Object - A J2EE Design Pattern explained with an example

Copyright 2007, Question2Answer, All rights reserved.

1. Core Java Questions Answers Set 1

2. Core Java Questions Answers Set 2

3. Java comparable and comparator

4. comparator using reflection

5. Searching a class from a bunch
of Jar file in a directory (file system)

6. J2EE Servlet Questions and Answers

7. Development Environment using
 Open Source

8. Hibernate mapping for object
 hierarchy using table per
 subclass way

17. How can I create a
 JSP Tag library?

18. How to make a Jar file
 runnable by just double
 clicking it?

19. question answer use case
and state chart and activity
diagrams

20. Comparing usage of Servlet
that implements SingleThreadModel
with one that don't

21. J2EE Technology based 
Enterprise Application Developement
using JBoss Application Server

22. Java Event Handling
sample demonstration

23. Java Thread Manager
worker concepts

24. Sample code showing how to
create and use Midlet for
Java enabled mobile devices

25. Threading implementation of
Manager and Worker Thread
Model using Java Technology
Threading API

26. common-logging-log4j - 
a simple way to implement Logging
and Tracing in Java application.

27. inmemory-image-creation-java-awt
 example discussed.

28. Java Objects Pass by 
value concept explored.

29. java-object-oriented-concepts
in form of question and answer./a>

30. mouse-right-click-popup a sample
implementation idea discussed.

9. Showing a way to generate
 Java code by using Castor as tool.

10. Writing Composite key to use in Hashtable
 - a step by step example

11. Using apache commons framework
 for loose coupling application code
 from Logging framework code

12. How to use Log4j -
 a step by step guide

13. How to use Data Access Object Design pattern -
 a step by step guide

14. Transaction Isolations leveles
 discussed and explained

15. Example of Java Thread Deadlock
 and related factspublished

16. Java Types discussed, integral
 types and floating types

31. mutiple-squares-logic-validate
Java quiz openned for
implementation.

32. Raw-XML-file-formatting
a sample scenario discussed

33. reading-storing-BLOB
CLOB-Database-JDBC.

34. showing-vertical-text-graph
a sample example code discussed.


35. JDBC SQL query for a
specific scenario discussed.

36. Java-MIDI-Music-Player
a sample example discussed

37. Creating-Java-awt-board A program
quiz using Java Technology

38. Customizing-JTree-for-TLD-viewer
A solution discussed

39. Sql-exception-dao-design-pattern
How to handle exception in
Data Access Design Pattern

40. why-my Applet 
code-not-showing on browser

41. removing-tabs-to-spaces from
my demo Java file

42. sample-applet showing images in
form of animation

43. different-logger-file-log4j 
log4j tutorial discussed

44. using-NDC-log4j using
Log4j tutorial discussed

comparing-singlethreadmodel-servlet-samp.htm
core-java-1.html
core-java.html
data-access-object-dao.html
final-java-keyword-use-example.html
inmemory-image-creation-java-awt.htm
j2me-sample-architecture.html
java-code-converting-rtf-to-text.html
java-comparable-comparator.html

java-design-interview-questions.html
java-example-drag-n-drop.html
java-io-serializable-externalizable.html
java-rmi-tutorial-stub-skeleton.html
java-source-code-coverage.html
JBoss-transaction-cmt-Spring-Hibernate.html
JClasspathGenerator
jms-example-topic-publish-subscribe.html
jni-serial-port-project.htm
junit-code-coverage-java-test.html