sai6606

1. What is an array and a vector? How they different from each other?
2. Tell me the difference between an applet and a Japplet?
3. What is the difference between abstract class and interface?
4. What is static and a non-static inner class?
5. Explain the difference between scrollbar and scrollpane?
6. What is the difference between a public and a non-public class?
7. What are field variable and local variable?
8. Explain break statement and continue statement?
9. What is the difference between a Window and a Frame?
10. Difference between a Scrollbar and a ScrollPane?
11. What are invisible components?.
12. What are interfaces?
13. What are hot spots in Java programming?
14. What are different types of Exceptions?.
15. What are concepts of OOPS and how are they implemented in Java?
16. Difference between a MenuItem and a CheckboxMenuItem?
17. Difference between Choice and a List?
18. Difference between a Canvas and a Scroll Pane?.
19. What is the difference between Trusted and Untrusted Applet ?
20. Difference between String and String Buffer?
21. Difference between Reader/Writer and InputStream/Output Stream?
22. What is the difference between Integer and int?
23. Differences between GridLayout and GridBagLayout?
24. What is the difference between C++ & Java?
25. Difference between Array and vector?
26. Default layout of panel and frame?
27. Default layout of Dialog object?
28. What is the catch or declare rule for method declarations?
29. What is the argument type of main() method?
30. What are event-delegation model and event-inheritance model? Which is best?
31. What is the Vector class?
32. What is the SimpleTimeZone class?
33. What is the Set interface?
34. What is the immediate parent class of the Applet class?
35. What is the immediate superclass of Menu?
36. What is ResourceBundle class?
37. What is Map interface?
38. What is Locale class?
39. List interface?
40. What is the Layout for ToolBar?
41. What is the GregorianCalendar class?
42. What is the Dictionary class?
43. What is Collections API?
44. What is Collection interface?
45. What is the % operator?
46. What is synchronization? How it can be achieved?
47. What is singleton class?
48. What is the difference between serialization and deserialization?
49. What is serializable interface?
50. What is protected and friendly?

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Sai
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