Java Interview Question Paper Set-2

25. What are the benefits of Swing over AWT?

26. What is Servlet API used for connecting database?

27. What is difference in between Java Class and Bean?

28. What is the difference between Application and Applet?

29. What is the root class for all Java classes?

30. What is polymorphism? 

31. What is the exact difference in between Unicast and Multicast   object? Where we will use?

32. What is the difference in between C++ and Java? Can you explain in  detail?

33. Have you used threads in Servelet?

34. In a Container there are five components. I want to display the all  the components names, how will you do that one?

35. Why there are some null interfaces in Java? What does it mean? Give me some null interfaces in JAVA?

36. Tell me the latest versions in JAVA related areas?

37. Explain 2 tier and 3 tier Architecture?

38. How have you done validation of the fields in your project?

39. What are the main difficulties that you are faced in your project?

40. What is meant by cookies? Explain?

41.what is the difference between rmi registry & os agent.

42.what is the layout of the tool bar.

43.what is statement in java.

44.what are the 5 packages in java. (java.lang, java.util, java.sql, java.awt, java.io)

45.how do you send data from form to server?(get & post)

what is xml and dhtml