Java Interview experience with XATON (Mobiquity Now)

Company: Mobiquity Inc.

Interview Time: Mar 2013

1. Tell about your projects on which you are working.
2. Thread
   • What’s your scenario for thread
   • Know about multithread.
   • If you are using for http request than why ? because servlet is create thread on
   • How inter thread communication is done
   • Wait(), sleep(), yield(), notify(), notifyall().
3. Collection
   • Collection used your project
   • Which is faster among Set and List.
   • Suppose i have 100 object in list and want to devide in 4 part so each have 25
4. OOPs
   • Principles of oops.
   • Abstraction.
   • Inheritance.
   • Difference between abstract class and interface.
   • Case : suppose have two different methods in two different abstract classes and
   • Case : if you have to create framework than what you prefer to use : Abstract Class
5. Exception
   • About exception
   • Is Outofmemory is Error or Exception ?
   • You can catch OutOfMemory Exception ? if yes than how
6. Servlet
   • Why load-on-startup used ?
   • If i put -20 for servlet1 and 1 for servlet2 than what happened?
   • Is load-on-startup allow to place negative value ?
7. Hibernate
   • What is hibernate?
   • Why we use ?
   • Case : suppose i an using mysql query and hibernate than which is faster ?
8. Rest
   • Why we use ?
9. General
   • What is minimum requirement to run java on pager or embedded devices.