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| - Interview Questions and Answers for 'Struts2' - 5 question(s) found - Order By Newest | ||||
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| Ans. Struts 1 actions are singleton. So all threads operates on the single action object and hence makes it thread unsafe. Struts 2 actions are not singleton and a new action object copy is created each time a new action request is made and hence its thread safe. | ||||
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 Discuss Correct / Improve  java j2ee mvc frameworks struts struts1 struts2 struts 1 struts 2 architecture | ||||
 Try 1 Question(s) Test | ||||
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| Ans. MVC2 | ||||
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| Discuss Correct / Improve struts2 struts mvc2 j2ee | ||||
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| Ans. 1) It is an Action based MVC based framework which has adopt mvc2. 2) Struts2 is a pull-MVC (or MVC2) framework where action takes the role of the model rather than the controller. The “pull†concepts means views ability to pull data from an action, rather than having a separate model object available. 3) The Model View-Controller pattern in Struts2 is implemented with five core components – actions, interceptors, value stack / OGNL, result types and results / view technologies. 4) XML configuration as well as Annotation option available. 5) POJO based action available so we can write test cases easily. 6) Integration with Spring, tiles and OGNL based expression langugae. 7) Theme based tag libraries integrated with struts tag as well as support of Ajax tag. 8) Can have various view options like jsp, velocity, freemarker etc. 9) We can embed plugin through which we can modify and extend framework features. | ||||
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| Discuss Correct / Improve struts2 struts j2ee | ||||
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| Ans. No, because they are not longer required. As action classes are no more singleton in Struts 2, user inputs can be captured in action itself. | ||||
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| Discuss Correct / Improve struts struts2 struts 2 | ||||
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| Ans. Struts 1 | ||||
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| Discuss Correct / Improve struts j2ee mvc frameworks struts1 struts2 | ||||
Action Class is singleton and hence not thread safe in ..
