60 TOP Java Beans Interview Questions and Answers for Freshers

Java Beans technical interview questions and answers are available for beginners to expert level
1 . What are Java Beans?

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

3 . What is bean persistance property?

4 . What are externizable interface?

5 . What are the purpose of introspection?

6 . What is property editor in java beans?

7 . Write a simple bean program?

8 . Difference between java bean and bean?

9 . What is a Bean? Why is not a Bean an Applet?

10 . Why are component architectures useful?

11 . Is JavaBeans a complete component architecture?

12 . Why a component architecture for the Java platform?

13 . What kind of industry support exists for JavaBeans?

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

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

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

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

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

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

20 . What is entity reference?

21 . What is an entity?

22 . What is enterprise bean provider?

23 . What is Enterprise JavaBeans Query Language?

24 . What is Enterprise JavaBeans?

25 . What is enterprise information system?

26 . What is EJB server?

27 . What is entity bean?

28 . What is EJB object?

29 . What is EJB Home object?

30 . What is EJB context?

31 . What is EJB container?

32 . What is bean customization?

33 . What are introspection API in java beans?

34 . What is introspection properties in java beans?

35 . How to control serialization in java beans?

36 . What is the serializable class in java beans?

37 . How to create bound property in bean application?

38 . What is Glasgow?

39 . How does the InfoBus relate to JavaBeans?

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

41 . Is the InfoBus client side only?

42 . Difference between java Beans and Enterprise Java Beans?

43 . What is the relation between the InfoBus and RMI?

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

45 . Who is developing the JavaBeans Migration Assistant to ActiveX?

46 . What are/is Enterprise JavaBeans?

47 . What are the properties of java beans?

48 . What is the InfoBus?

49 . Does the InfoBus compete with JavaBeans?

50 . Is InfoBus easy to use?

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

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

53 . Can JavaBeans use DCOM as its network model?

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

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

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

57 . What is the relationship between Enterprise JavaBeans and JavaBeans?

58.  What is property editor in java beans?

59. What are the purpose of introspection?

60. What are externizable interface?

61. What is bean persistance property?