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DAO Pattern & Head First Series

Mark Henryson
Ranch Hand

Joined: Jul 11, 2005
Posts: 200
Hi,

I have learned/learning JSP and Servlets in Head First JSP and Servlets. As a next step, I want to learn thr Design Pattern. So far I have learnt in Servlets and JSP, I done a small project for adding the employee details in the database by different pattern such as MVC pattern (Model - Java Bean, Controller - Servlet (having database connecion in it), View - JSP.
However, Someome adviced me not to use the database connection either in JSP or Servlet and Use DAO pattern for it.

I don't know how to code/basic of DAO Pattern. I am not very much familiar with design pattern especially with DAO. I don't know EJB. At this stage, it is good to buy some books on Design pattern. or Ater learning EJB only, we have to go to Design Pattern.

I have referred the DAO pattern in the google search, but it is very complicated one. Is there any example coding for DAO pattern(not a complicated one)for just adding/editing the records in the database.

Another question, whether Head First series Design Pattern is good for the beginners. I know JSP, Servlets only.

Please advise me in this regards.

Shortly:
1. Simple Example Coding for DAO Pattern
2. Head First Design Pattern is good for beginners.

Thanks & Regards,
Mark.
David O'Meara
Rancher

Joined: Mar 06, 2001
Posts: 13459

Originally posted by Mark Henryson:
Another question, whether Head First series Design Pattern is good for the beginners. I know JSP, Servlets only.


Very much aimed at beginners, and a wonderful start for those people. It also gives a good basis for solid OO foundations too. I reviewed it for the Ranch and gave it 10/10, a fine reading experience
Mark Henryson
Ranch Hand

Joined: Jul 11, 2005
Posts: 200
Thanks for your reply.

Whether I can start learning Design Pattern, without knowing EJB.

Please also answer my others doubts regd DAO that I had posted.

Thanks & Regards,
Mark.
[ October 30, 2005: Message edited by: Mark Henryson ]
Adeel Ansari
Ranch Hand

Joined: Aug 15, 2004
Posts: 2874
Originally posted by Mark Henryson:

Please advise me in this regards.

Shortly:
1. Simple Example Coding for DAO Pattern
2. Head First Design Pattern is good for beginners.


2. Head First Design Pattern is good for beginners.
- Ofcourse, best book about design patterns.

1. Simple Example Coding for DAO Pattern
- I would recommend starting with HF Servlet & JSP. You would find some of the popular and useful design patterns for the web-tier in that book. After digesting all that you would know that design patterns doesn't need a 0 knowledge of EJBs. Although, some of the persistance-tier pattern used to talk about EJBs. You can go for that after getting all the prerequisites.

Hope you would get me now.

Thanks.
 
It is sorta covered in the JavaRanch Style Guide.
 
subject: DAO Pattern & Head First Series
 
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