Interview questions

JAVA interview questions – page 52

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

  1. When is update method called?

  2. Do primitive types have a class representation

  3. What is PDC

  4. Does WebLogic support auto generating primary keys for entity beans?

  5. What is included in the Rich Client Platform?

  6. Explain the keywords - native, transient, volatile, finally

  7. 1.why do we need encapsulation?2. what is a class in C++ analogous to in C

  8. Does JVM maintain a cache by itself? Does the JVM allocate objects in heap? Is this the OS heap or the heap maintained by the JVM? Why

  9. What is PCS

  10. Does Tomcat support JMS ?

  11. What are the core classes of Struts?

  12. Describe the principles of OOPS

  14. How would you implement a thread pool

  15. How do I communicate between two clients that are on different machines on a network using JMS?

  16. What is JDBC for CDC/FP ?

  17. Suppose server object is not loaded into the memory, and the client requests for it, what will happen?

  18. Have you ever used HashTable and Dictionary?

  19. How will you perform transaction using JDBC?

  20. What is WAE?

  21. Why are my checkboxes not being set from ON to OFF?

  22. What are the differences between 'Require-Bundle' and 'Import-Package'?

  23. How can I hide menu contribued by other plugins?

  24. What is VLR?

  25. What do you like most with Ant

  27. Differences between HashList and HashMap, Set and List

  28. What is LCDUI

  29. How can you push data from an Applet to Servlet?

  30. What encryption options are there for sending messages through JMS?

  31. What is the difference between applet and swing?

  32. What is MIDlet suite

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