why we are using vo,dao and dto design patterns in struts
framework
Answers were Sorted based on User's Feedback
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 is role of actionservlet?
what is ForwardAction and IncludeAction in struts?
Can we have multiple struts config files in a single web app?
how to develop the submit and search operations in single jsp using struts?
Does Struts2 action and interceptors are thread safe?
State the procedure for using forward attribute of link tag’s.
In web.xml file instead of *.do can i write *.ibm, Specify with example
What is interceptor? And life cycle methods of interceptor?
Can you explain custom tag?
what is ACID test for fresh engineers??what is the pattern??
What is an interceptor stack?
What is execute method in struts?