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Java Beans Interview Questions and Answers

  Difficulty Level: AllBeginnerIntermediateExperienced/Expert

Ques 1. What is EJB server?

Ques 2. What is entity bean?

Ques 3. What is EJB object?

Ques 4. What is EJB Home object?

Ques 5. What is EJB context?

Ques 6. What is EJB container?

Ques 7. What is bean customization?

Ques 8. What are introspection API in java beans?

Ques 9. What is introspection properties in java beans?

Ques 10. How to control serialization in java beans?

Ques 11. What is the serializable class in java beans?

Ques 12. How to create bound property in bean application?

Ques 13. What is Glasgow?

Ques 14. How does the InfoBus relate to JavaBeans?

Ques 15. Will the general public have access to the InfoBus API s?

Ques 16. Is the InfoBus client side only?

Ques 17. Difference between java Beans and Enterprise Java Beans?

Ques 18. What is the relation between the InfoBus and RMI?

Ques 19. Why is the JavaBeans Bridge for ActiveX only available on Windows/X86?

Ques 20. Who is developing the JavaBeans Migration Assistant to ActiveX?

Ques 21. What are/is Enterprise JavaBeans?

Ques 22. What are the properties of java beans?

Ques 23. What is the InfoBus?

Ques 24. Does the InfoBus compete with JavaBeans?

Ques 25. Is InfoBus easy to use?

Ques 26. JavaBeans has mechanisms like bound properties for data transfer between components. Why is the InfoBus necessary?

Ques 27. Can both Java applets and JavaBeans components use the InfoBus?

Ques 28. Can JavaBeans use DCOM as its network model?

Ques 29. Why would a developer need the JavaBeans Migration Assistant for ActiveX?

Ques 30. How and when will the JavaBeans Migration Assistant to ActiveX be available?

Ques 31. How to implement a bound property in your bean application?

Ques 32. What is the relationship between Enterprise JavaBeans and JavaBeans?

Ques 33. What are Java Beans?

Ques 34. Why do I get a NullPointerException when loading a JAR file into the BeanBox?

Ques 35. What is bean persistance property?

Ques 36. What are externizable interface?

Ques 37. What are the purpose of introspection?

Ques 38. What is property editor in java beans?

Ques 39. Write a simple bean program?

Ques 40. Difference between java bean and bean?

Ques 41. What is a Bean? Why is not a Bean an Applet?

Ques 42. Why are component architectures useful?

Ques 43. Is JavaBeans a complete component architecture?

Ques 44. Why a component architecture for the Java platform?

Ques 45. What kind of industry support exists for JavaBeans?

Ques 46. Are there JavaBeans components available that I can buy today?

Ques 47. Why nobody at Sun wants to read the messages sent to java-beans@java.sun.com?

Ques 48. What is the relationship between Sun s JFCs and JavaBeans?

Ques 49. Why do I get a duplicate name error when loading a JAR file?

Ques 50. What are the security implications for downloading Beans over the Internet?

Ques 51. When will JavaBeans be supported on the [fill in the blank] platform/operating system?

Ques 52. What is entity reference?

Ques 53. What is an entity?

Ques 54. What is enterprise bean provider?

Ques 55. What is Enterprise JavaBeans Query Language?

Ques 56. What is Enterprise JavaBeans?

Ques 57. What is enterprise information system?

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