Java ME (Java Platform, Micro Edition) MCQ Questions Answers

1. Which are the part of the CLDC expert group?

2. Which are the part of the CLDC expert group?

3. The minimum number of threads supported by JTWI complaint implementations are:

4. The CLDC properties are defined in:

5. The CLDC specific classes are defined in a package called:

6. Which of the following form a part of CLDC?

7. The default mode for an open connection is:

8. Mids server should only download data which has a MIME type of:

9. What would be the values for boxes 1 and 2 respectively in the given Generic Framework figure?

10. Which one is designed for very small memory scenarios, typically 128 KB to 512 KB for the Java application environment?

11. Which one could be the reasons for the introduction of the Generic Connection framework?

12. What would you infer from the following code? 1.MessageConnection conn; 2. 3. public void startApp() 4. { 5. 6. try 7. { 8. conn = (MessageConnection)Connector.open('cbs://:3382'); 9. } 10. catch(Exception e) 11. { 12. //Some exception handling 13. } 14. } 15. 16. public void run() 17. { 18. Message msg = conn.receive(); 19. conn.send(msg); 20. }

13. Which profile is supported by CLDC?

14. Which statements are correct regarding Xlet application programming model?

15. Which statements are correct regarding CLDC security?

16. In J2ME, the approximate number of classes taken from J2SE java.util is:

17. The following are the two statements related to Java Community Process: Statement X: A Java specification begins life as a Java Community Process Statement Y: The specifications for Java standard, enterprise and micro platforms are developed under the direction of JCP Which of the following options is correct?

18. A MIDlet can retrieve its environment properties.

19. Which are not supported by the CLDC 1.1 VM?

20. The constant to create a modal alert is:

21. Which authmodes can be used to share a RecordStore between multiple MIDlets?

22. In J2ME, the approximate number of classes taken from J2SE java.io is:

23. Which capabilities are provided to device manufacturers by embedded Java technology?

24. Which one is a CDC based profiles?

25. The callback method that is invoked for a specific item event is _____________.

26. For a device to be JTWI MMAPI enabled, it must support:

27. Which are a part of the CLDC expert group?

28. Which one in CLDC is not derived from J2SE?

29. Which packages constitute the Java ME?

30. Which device is served by CDC?

31. Which one is not addressed by MIDP?

32. What will happen on attempting to compile and run the following code?

33. According to JTWI, what is the standard size for a MIDlet jar file?

34. Which functions fall under the scope of J2ME profiles?

35. The RecordStore can be shared among multiple MIDlets.

36. Which device is served by CLDC?

37. The character limit for an SMS Text message is:

38. Which one is not a characteristic features of the target devices of CDLC?

39. The MIDlet permission is defined in a JAD file using __________.

40. Which one is designed for multi-processor enterprise server environments that require maximum program execution speed, 64-bit support and very large memory heaps?

41. Which statement is correct regarding RecordStores?

42. Which profiles give full AWT and applet support?

43. Which one is in sync with the sandbox model?

44. Which are the optional packages available with CDC?

45. An attribute is defined in both JAD and MIDlet JAR files. Which one will take precedence over the other?

46. Which statement with respect to Java ME profiles is incorrect?

47. Which features are absent in CLDC as compared to JVM?

48. Which statement is incorrect regarding the Generic Connection framework?

49. Which are a part of the CLDC expert group?

50. MIDP specification requires support for which of the following auth schemes?

51. Which one is not required for JTWI?

52. Which one is designed for single-processor desktop environments that require faster start-up time and a smaller memory footprint?

53. Identify the incorrect statement regarding CLDC:

54. Which one fall under the scope of CLDC?

55. Which are Java ME profiles?

56. Which methods would be suitable in opening a connection using the Generic Connection framework?

57. Which one is true for Technology Compatibility Kit(TCK)?

58. Which methods are defined as a part of CLDC Internationalization? 1.new InputStreamReader(InputStream) 2.new InputStreamReader( InputStream,String) 3.new OutputStreamWriter(OutputStream) 4.new OutputStreamWriter(OutputStream, String)

59. Which migration of code is possible?

60. Migration of code from J2SE to CDC would be a straight forward process.

61. According to JTWI, what is the standard size for a JAD file?

62. Which image format is supported by JTWI 1.0?

63. Which are not Java ME Configurations?

64. Which one is not the characteristic feature of the target devices of CDC?

65. The version of CLDC in a JAD file can be known by the:

66. Which features would the target devices for CLDC have?

67. Which device is served by CDC?

68. According to JTWI, what is the recommended screen size?

69. Which one is used to specify the Push enable MIDlets?

70. Which statement regarding configuration in Java ME is incorrect?

71. SMS Push is not required for JTWI.

72. Which one is designed for resource-constrained devices like consumer products and embedded devices?

73. According to JTWI, what is the recommended size for a heap?