Interview questions

JAVA interview questions – page 46

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

  1. What is Foundation Profile ?

  2. What is the Collections API?

  3. What kind of industry support exists for JavaBeans?

  4. What is the Vector class?

  5. Can we write return statement in try catch or finally block.suposse we write return 0 in try catch or finally. can we do.

  6. What is the hierarchy of ClassLoader

  7. Why java does not support inheritance of multiple superclasses?

  8. Explain the usage of the keyword transient?

  9. Explain Garbage collection mechanism in Java

  10. What is daemon threads?

  11. What are the various Struts tag libraries?

  12. What is the class variables ?

  14. Can an anonymous class be declared as implementing an interface and extending a class?

  15. In Execption handling What is exactly difference between throws and throw?

  16. What are session variable in Servlets?

  17. Describe, in general, how java's garbage collector works?

  18. Does garbage collection guarantee that a program will not run out of memory?

  19. What method is used to specify a container's layout?

  20. What is WMLScript?

  21. What is serializable Interface?

  22. What is the difference between trusted and untrusted applet?

  23. Whether private,protected method can be overloaded,overrided or not? Tell me reason?

  24. What is the difference between CGI and Servlet?

  25. What is FDMA ?

  27. Is InfoBus easy to use?

  28. What do you understand by Synchronization?

  29. Define Hash table?

  30. I want to store more than 10 objects in a remote server. Which methodology will you follow?

  31. What is widning and narrowing ?

  32. How can u tell HashTable is Synchronized?(IBM-chennai)

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