what is BUSINESS DELIGATE PATTERN,DAO,VO,DTO?

Answer Posted / yathirajulu.mettupally

DTO pattern in j2ee is... Data Transerfer Object, which
exchange the data with enterprise beans.
VO : Value Objects is nothing but java beans which consists
getter & setter methods.
DAO: Data Access Object is consisting of business-loigic &
connecting to database.
Deligate Pattern:Which is a adapter(mediator)class decouples
presentation cliet & business-logic.

Is This Answer Correct ?    19 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What are the core classes of the struts framework?

510


Why it called struts?

557


Can you explain the directory structure for a struts folder in brief ?

518


What are the ways in which duplicate form submission can occur?

502


Can you give an overview of how a struts application flows?

523






What is struts2 framework?

511


What is the purpose of redirect result type?

568


Explain the components of struts?

534


How to display validation errors on jsp page?

566


What is the purpose of struct-config.xml in struct2?

554


What are the steps used to setup dispatch action?

495


How struts 2 validation works?

572


What does execandwait interceptor?

544


How can you create your custom interceptor in struts 2?

537


What does apache struts do?

500