Virtusa Java Interview Questions

Company Name :  Virtusa

Interview Questions:

  1. Explain OOPs concepts in java? View Answer
  2. What is the difference between overloading and overriding?
  3. By default, Hashtable is unordered. Then, how can you retrieve Hashtable elements in the same order as they are put inside?
  4. What is the difference between Thread class and Runnable interface in Java?
  5. Difference between sinchronized block and synchronized method ? View Answer
  6. Explain Servelet life cycle ?
  7. Difference between forward() and sendRedirect() ?
  8. How JSP handle runtime Exceptions?
  9. What is Secondary level cache in hibernate?
  10. What is application in jsp ? View Answer
  11. How to create the userdefined immutable class ? View Answer
  12. What is autowiring in spring ?
  13. We can get the container obj through Beanfactory and Applicationcontext what is the difference in both ?
  14. How to configure Data Source in Weblogic server ?
  15. How to get the session object in jsp ?
  16. I have 1 to 100 elements in array unordered,one element missed find that one?

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