Interview questions

JAVA interview questions – page 7

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  1. What is the SAP Java IDoc Class Library?

  2. Why clonning method is private?can u overload the main() method.2)can overload the run() method.3)what is Common Separated value.

  3. Can you tell me the steps for how to create and execute and run the Ejb simple stateless session application in websphere application server6.0 and Ide is RAD6.0

  4. What is the difference between bean:write and bean:message

  5. What is the difference between setMaxRows(int) and SetFetchSize(int)? Can either reduce processing time?

  6. What is JDO?

  7. Can I use JDBC to execute non-standard features that my DBMS provides?

  8. How many types of JDBC Drivers are present and what are they?

  9. How can I purchase the necessary licenses for the SAP JCo?

  10. With EJB 1.1 specs, why is unsetSessionContext() not provided in Session Beans, like unsetEntityContext() in Entity Beans?

  11. How do I mix JSP and SSI #include?

  12. How do you call stored procedures from JSP?

  14. Why are ejbActivate() and ejb Passivate() included for stateless session bean even though they are never required as it is nonconversational bean?

  15. What type of support is provided to SAP Customers building solutions using SAP JCo? Do SAP Customers need to purchase a support contract?

  16. How long does the initial install take?

  17. How do you restrict page errors display in the JSP page?

  18. How can resultset records be restricted to certain rows?

  19. Elementary search helps, Collective search help.

  20. Is there a way I can set the inactivity lease period on a per-session basis?

  21. What is the abstraction? Give example?

  22. Without home and remote interfaces cant we implement ejb?

  23. What is an SQL Locator?

  24. Are there any distribution restrictions?

  25. What is JSP document ?

  27. What is J2EE module ?

  28. What is entity bean ?

  29. We already use ABAP for development. Do we need additional licenses to use the SAP JCo?

  30. How can we use mapping variables in Informatica? Where do we use them?

  31. How does the Java Database Connectivity (JDBC) work?

  32. How to retrieve a whole row of data at once, instead of calling an individual ResultSet.get XXX method for each column?

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