Web dynpro abap or java ?

Hi All,
Our client wants a web front end for the SAP system and has asked us to search which web dynpro ABAP or Java will be suitale ?
They were of the opinion that web dynpro for ABAP is not that good for web interfaces is it correct ?Also is there demend for web dynpro developers in the market ?
Thanks & Regards
Gaurav Jain

>They were of the opinion that web dynpro for ABAP is not that good for web interfaces is it correct ?
What do you mean by Web Interfaces? Web Dynpro ABAP and Java are well suited for created browser-based (or rich client based) business application User Interfaces. If by Web Interfaces you mean Internet facing, highly customizable user interfaces - then no - neither web dynpro abap or java are really well suited for that situation. WDA and WDJ are both designed to create consistent Business Application user interfaces.
Now if you just want to compare WDA and WDJ - that is a very different question. The differences in capabilities are relatively minor. Generally it comes down to which programming language you have more of a skill set in and how close to the underlying data you need to be. Also are you planning to extend existing SAP applications? WDA is primarily used by SAP within the Business Suite (ERP, SRM, PLM, etc) - two exceptions however - WDJ is used in ESS/MSS (although newer portions of that solution are in WDA) and CRM uses BSP/CRMUI. WDJ is used by the middleware components (Portal) and edge or composite applications.

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As you have good experience of Web Dynpro JAVA.
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Thanks.
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Dear Sap Fan
This has been a long and interesting debate on SDN.
You will find plenty of posts discussing this matter.
But there's no clear winner, I warn you.
;o)
This one in particular is very good:
[http://www.sdn.sap.com/irj/scn/index?rid=/library/uuid/e0e4940c-035c-2b10-0b9d-eb8f99674f4e]
But you can also check these others:
[webdynpro java or abap;
[Webdynpro Java or ABAP;
[Webdynpro Java or ABAP;
[Webdynpro Java or Abap ?;
More and more you see clients migrating from WD4J to WD4A.
Guess SAP is also heading into that direction, perhaps because Oracle bought SUN sometime ago.
I'm comfortable on both environments I have to say.
I have more than 10 years with development.
I know ABAP from inside out.
I also know JAVA and I'm certified with this technology.
But I personally prefer WD4A.
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Because you don't need to use NWDI.
Because you don't need to configure JCO's.
Because you integrate seamlessly the development with the transport framework (requests, etc..)
Because debugging is great.
Because plenty of traditional ABAP tools (trace, logs, performance analysers, etc..) can also be used with WD4A
Because you don't need to worry with NWDS...just type SE80 and you're there... ;o)
And I could go on and on....
But then again, it all depends:
Do you have a lot of good in-house JAVA knowledge ?
Do you use a lof of Custom JAVA development in your company ?
Are you planning to use standard SAP (ESS/MSS or others for example) ?
I'm not saying that WD4A is "better" than WD4J.
There's no such thing.
Each option has its pros and cons.
You also can't tell that WD4J is more secure or scalable than WD4A. Or the opposite.
And, believe me, WD4J is still going strong with a lot of customers.
But things are changing, and for me WD4A would make more sense if you want to be aligned with SAP.
Now and in the future.
Kind Regards
/Ricardo Quintas

Web Dynpro JAVA VS. Web Dynpro ABAP

Hi,
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Hi,
Web Dynpro for ABAP:
Web Dynpro for ABAP or Web Dynpro for ABAP (WD4A, WDA) is the SAP standard UI technology for developing Web applications in the ABAP environment. It consists of a runtime environment and a graphical development environment with special Web Dynpro tools that are integrated in the ABAP Workbench (SE80).
The use of declarative and graphical tools significantly reduces the implementation effort
1) Web Dynpro supports a structured design process
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3) Reuse and better maintainability by using components
4) Automatic operation of the Web Dynpro application using the keyboard
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6) Full integration in the reliable ABAP development environment
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http://help.sap.com/saphelp_nw2004s/helpdata/en/77/3545415ea6f523e10000000a155106/frameset.htm
Web Dynpro for Java:
Web Dynpro is a client-independent programming model of the SAP NetWeaver technology platform for developing user interfaces for professional business applications. It is based on the model view controller paradim which ensures that the business logic is separated from the presentation logic. This architecture is visible in the Web Dynpro perspective of the SAP NetWeaver Developer Studio (NWDS).
Web Dynpro helps you with the development of Web applications by:
1) Ensuring platform-independence with the meta model approach
2) Minimizing the implementation effort through declarative programming
3) Supporting a structured design process by applying the model view controller paradigm
4) Providing reuse and better maintainability by using components
5) Providing graphical support with tools in the Web Dynpro perspective
6) Providing the SAP NetWeaver Java Development Infrastructure (NWDI) which supports team work with different services such as source code versioning and the Central Build Service.
for more see:
http://help.sap.com/saphelp_nw2004s/helpdata/en/15/0d4f21c17c8044af4868130e9fea07/content.htm
The concept of Web Dynpro ABAP is identical with Web Dynpro Java and offers more or less the same functions
hope it helps
regards

Web dynpro abap or java ?

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