Interview questions

JAVA interview questions – page 43

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

  1. A Inner class is defined in a parameterized function of outer class then the inner class is able to access the parameters of that function?

  2. Can we serialize the static variable?

  3. What happens if i do this=null?

  4. What is bean persistance property?

  5. When a thread blocks on I/O, what state does it enter?

  6. Explain about token feature in Struts?

  7. What do you need to set-up a cluster with JBoss ?

  8. What is an RMI?

  9. What do you know about networking support in Java ?

  10. How are memory leaks possible in Java

  11. Is there any difference between Execution Engine and the JIT in java?

  12. Why the container does not support multiple layout managers

  13. What is the preferred size of a component?

  14. What is the difference between an Applet and an Application?

  15. What is 3GPP?

  16. Why java is not 100% object oriented language?

  17. Name three subclasses of the Component class?

  18. What is the Collection interface?

  19. How can we emplement strutsframework using jsp or servlets.

  20. What's jBoss cache in short ?

  21. 1)what are the other ways to create an object otherthan creating as new object?

  22. What invokes a thread's run() method?

  23. What is the main functionality of the Remote Reference Layer?

  24. How to access the values java to javascript?

  25. When programmer using the vector and arrylist? and when ur using linkedlist and hashmap and hashtable?

  26. What is 802.11?

  27. What is assert function?what are the type?how they are used? with an example

  28. What is the functionality stubs and skeletons?

  29. Have you used any version control?

  30. What we will define in Struts-config.xml file. And explain their purpose?

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