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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 |
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Core Java 
