Search Interview Questions
| More than 3000 questions in repository.|
There are more than 900 unanswered questions.
Click here and help us by providing the answer.
Have a video suggestion.
Click Correct / Improve and please let us know.
|Interview Questions and Answers|
|Ans. We have multi tier architecture with multiple layers , We have series of web servers and applications in application tier, infrastructure libraries at middle tier and Database servers at the lower tier. We are using Oracle as Database, ESB ( Enterprise service Bus ) for asynchronous communication and Rest Web Services.|
|Help us improve. Please let us know the company, where you were asked this question :|
|Like Discuss Correct / Improve  software system analyst   development lead   project lead   technical lead   technical architect|
|Why do we need Inner classes ? Cant we just work with outer classes wherever we implement Inner classes ?|
|Difference between first level and second level cache in hibernate ?|
|What are the benefits of using Spring Framework ?|
|What are various types of Class loaders used by JVM ?|
|Difference between SAX and DOM Parser ?|
|What things should be kept in mind while creating your own exceptions in Java?|
|How to implement an immutable class ?|
|Difference between C++ and Java ?|
|What things you would care about to improve the performance of Application if its identified that its DB communication that needs to be improved ?|
|If you are given a choice to implement the code to either Insert a Record or Update if already exist, Which approach will you follow ?|