Java Programming New 22 Solved MCQ Question Answer

 Question: 1. DriverManager.getConnection("jdbc:odbc:dsn_name") method does not depend on the class.forName(...) method.

Option A. True.

Option B. False.

Question: 2. Connection, Statement are interfaces and ResultSet is a class.

Option A. True.

Option B. False.

Question: 3. JdbcOdbcDriver is an object of Object class

Option A. True

Option B. False

Question: 4. class.forName(...) creates an instance of java ODBC driver

Option A. True

Option B. False

Question: 5. Submit button always fires doPost(...)

Option A. True

Option B. False

Question: 6. We can add more than one class(es) at the time of compilation Java Beans.

Option A. True.

Option B. False.

Question: 7. In RMI before running the client program we must start RMI Registry.

Option A. True.

Option B. False.

Question: 8. An EJB is a server-side component that encapsulates the business logic of an application

Option A. True

Option B. False

Question: 9. Message-Driven beans act as a listener for the Java Message Service API, processing messages synchronously

Option A. True

Option B. False

Question: 10. In RMI we invoke client method from remote server

Option A. True

Option B. False

Question: 11. In order to connect to a database through java program we must create _______-

Option A. Connection, Statement, ResultSet

Option B. Connection, ResultSet

Option C. Statement< ResultSet

Option D. Connection, Statement

Question: 12. executeUpdate(------------) returns ___________

Option A. Nothing

Option B. Returns a ResultSet object

Option C. Returns an integer value to show the no. of updated rows

Option D. None of the above.

Question: 13. executeUpdate automatically updates data because___________

Option A. auto commit is on, by default

Option B. It performs a hidden commit statement as well

Option C. Does not commit

Option D. None of the above.

Question: 14. In a single Servlet class we can use____________

Option A. doGet(...) method only

Option B. doPost(...) method only

Option C. doGet(...) method and doPost(...) method both at a time.

Option D. Either 'a' or 'b'

Question: 15. putValue(...) method takes _____________________-

Option A. Two arguments of object type

Option B. First one is of a character type and second one is of an object type

Option C. First one is of an object type and second one is of a character type

Option D. None of the above.

Question: 16. Servlet has ___________

Option A. init method

Option B. doGet(------) method

Option C. All of the above methods.

Question: 17. Servlet can have ___________

Option A. get method and post method

Option B. get method or post method

Option C. Either of the above

Question: 18. JSP files creates ________________

Option A. html files

Option B. html files and java files

Option C. java files and class files

Option D. None of the above.

Question: 19. A JSP file can be stored_________________

Option A. With the extension .jsp in servlets folder of the jws

Option B. With the extension .html in public_html folder of the jws

Option C. With the extension .jsp in public_html folder of the jws

Option D. None of the above.

Question: 20. The name of the RMI compiler is ___________

Option A. rmicom

Option B. rmic

Option C. jrmi

Option D. none of the above

Question: 21. EJBs can be of the following type(s)
None of the above

Option A. Entity Bean

Option B. Session Bean

Option C. Message-driven bean

Option D. All of the above

Question: 22. Session bean

Option A. Represents a single client inside the application server

Option B. Can not be shared

Option C. Is not persistent

Option D. Satisfies all of the above conditions

Answer Sheet

1	B
2	B
3	B
4	A
5	B
6	A
7	A
8	A
9	B
10	B
11	D
12	C
13	A
14	C
15	A
16	C
17	C
18	C
19	C
20	B
21	D
22	D