Interview questions

JAVA interview questions – page 65

2,804 questions. Tap “Show answer” to check yourself.

  1. In the ?select? statement what is ?group by?

  2. What is EJB object ?

  3. Why can't I run the JMS API sample programs using the J2EE 1.2.x SDK?

  4. What is basic authentication ?

  5. What is the difference between Session bean and Entity bean ?

  6. In ver 3.0b how is the print program to layout set?

  7. How does CLIENT_ACKNOWLEDGE mode work when there are two or more TopicSubscribers to the same topic within a session?

  8. Explain RMI Architecture?

  9. What is "application client module" ?

  10. How do I make a connection to URL?

  11. What information is needed to create a TCP Socket?

  12. What are the components of J2EE application?

  14. What is "application component provider" ?

  15. What are the problems faced by Java programmers who don't use layout managers?

  16. What is J2EE?

  17. What is EJB context ?

  18. What is deployer ?

  19. What is enterprise information system ?

  20. What is deployment descriptor ?

  21. How to put a dependency on job in jcl using opc scheduler?

  22. Basic difference b/w ALL types of JDBC driver.

  23. What is WLS T3 protocol?

  24. How to know which version of java is running on ur computerusing command prompt?

  25. What is dynamic method dispatch ?

  27. Whats is mean by jndi

  28. How do you remove the objects which are not inuse? Explicitly or implicitly? What is the exact mechanismgoing behind?

  29. How to print a string with out using out.println?

  30. The class which is used to perform basic console I/O? Ans. System?

  31. What is the ResourceBundle?

  32. Whats the difference between == and .equal ?

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