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why we are using vo,dao and dto design patterns in struts
framework
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Answer / venu bandla
dao design pattern is used to seperate data access logic from bussiness logic so the dao class contains only database connection related code,Dto design pattern is used to transfer the data from one component to another component and dto is a simple javabean.Vo design pattern is used to store the data in the form of objects and tranfer it
| Is This Answer Correct ? | 14 Yes | 1 No |
Answer / srikanth addani
DAO refers Data Access Object exclusively to write the code of data base server i.e establish connection with data base writing sql queries.DTO meant for DataTransferObject the main advantage is in order to resolve the problems of method parameters.VO meant for Value Object in order to display the output..
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / raj
Dto we are using from been and dao we are using in we are
accessing dta from data base.
| Is This Answer Correct ? | 5 Yes | 18 No |
What validate() and reset() method does ?
what is BUSINESS DELIGATE PATTERN,DAO,VO,DTO?
6 Answers BOB Technologies, TCS,
its a ActionForm controller or model?
16 Answers Patni, TCS, Wipro,
Can you explain value stack?
What is the use of namespace in action mapping in Struts2?
What are the struts2 error message keys that can come during file uploading process?
What are the main classes which are used in struts application?
What are the bundled validators?
Which configuration file is used for storing jsp configuration information in struts?
Why should we go for struts framework?
How many types of action clases are there in stuts and their uses?
15 Answers OHO, TCS, Wipro,
What are the benefits of the struts system?
Core Java 
