Web Design and Development (CS506)

1. Java developed in ________

   1. 1990
   2. 1995
   3. 1997
   4. 2000

2. If we remove static from main then program _______

   1. Program cannot compile
   2. Program will compile and work properly
   3. Run time errors
   4. Exception throws in main

3. If we remove String array from main then program_______

   1. Program cannot compile
   2. Program will compile and work properly
   3. Run time errors
   4. Exception throws in main

4. What will happen if static modifier is removed from the signature of main method?

   1. The program does not compile
   2. The program compiles and runs successfully
   3. The program compiles but does not run
   4. None of the given

5. What will happen if main method is declared as private?

   1. The program does not compile
   2. The program throws an exception at run time
   3. The program compiles and runs successfully
   4. None of the given

6. The toString () method returns a _________ representation of _______

   1. int, string
   2. string, int
   3. string, object
   4. object, string

7. A variable declared as static in a class is a/an _________

   1. Instance variable
   2. Class variable
   3. Const variable
   4. Global variable

8. Which of the following is used for inheritance in java?

   1. implements
   2. extends
   3. : (colon)
   4. inherit

9. If a super class method is protected then overriding method _________

   1. must be protected
   2. must be public
   3. must be private
   4. may be either protected or public

10. The collection API are defined in _______ package.

    1. java.io
    2. java.util
    3. java.awt
    4. java.sql

11. HahMap takes key as a/an _________

    1. Object
    2. Array
    3. Primitive value
    4. Function

12. A collection can store _________

    1. Homogenous objects
    2. Heterogeneous objects
    3. Objects as well as primitive values
    4. At most 100 objects

13. When defining a method you must include a ___________ to declare any exception that might be thrown but is not caught in the method.

    1. try block
    2. finally block
    3. catch block
    4. throws-clause

14. Aside from the Scanner class, which of the following classes can be used for text-file input?

    1. ObjectInputStream
    2. BufferedReader
    3. StringTokenizer
    4. None of the given

15. Which of the following package needs to be import while handling files?

    1. java.util
    2. java.io
    3. java.awt
    4. javax.swing

16. Which of the following stream is a Node stream?

    1. PrintWriter
    2. FileWriter
    3. BufferedReader
    4. All of the given.

17. Which of the following syntax is used to attach an input stream to console?

    1. FileReader fr = new FileReader(“input.txt”);
    2. FileReader fr = new FileReader(FileDescriptor.in);
    3. FileReader fr = new FileReader(FileDescriptor);
    4. FileReader fr = new FileReader(console);

18. Based on functionality, the streams can be categorized as ________

    1. Byte oriented stream and Node stream
    2. Filter stream and Character oriented stream
    3. Node stream and Filter stream
    4. Byte oriented stream and Character oriented stream

19. Which of the following stream read/write data in the form of bytes?

    1. FileReader
    2. FileWriter
    3. PrintWriter
    4. FileInputStream

20. Which of the following syntax attaches an output stream to console?

    1. FileWriter fw = new FileWriter(“output.txt”);
    2. FileWriter fw = new FileWriter(FileDescriptor.out);
    3. FileWriter fw = new FileWriter(FileDescriptor.in);
    4. FileWriter fw = new FileWriter(FileDescriptor);

21. An instance of abstract class cannot be created.

    1. True
    2. False

22. Which of the following is called "pure abstract class"?

    1. Concrete class
    2. Wrapper class
    3. Interface
    4. Abstract class with no abstract method

23. The relationship between class and interface is called __________.

    1. Is a' relationship
    2. Has a' relationship
    3. Responds to' relationship
    4. None of the given

24. JPanel and Applet use _________ as their default layout.

    1. Flow layout
    2. Border layout
    3. Grid layout
    4. GridBag layout

25. Which of the following is a top level container?

    1. JPanel
    2. ToolBar
    3. ScrollPane
    4. Dialog

26. Which of the following function will be used to register event handler with events generator (button)?

    1. addAction()
    2. addActionListener()
    3. addListener()
    4. None of the given

27. If a class needs to handle events generated by button then which of the following interface a class needs to implement?

    1. ComponentListener
    2. KeyListener
    3. MouseListener
    4. ActionListener

28. WindowListener interface contains __________ methods.

    1. Four
    2. Six
    3. Seven
    4. Eight

29. Java defines _________ for the listener interfaces having more than one event handling methods.

    1. Wrapper classes
    2. Abstract classes
    3. Concrete classes
    4. Adapter classes

30. Which of the following statement object is used to execute stored procedures?

    1. Statement
    2. PreparedStatement
    3. CallableStatement
    4. None of the given

31. Which of the following statement object is used to execute simple SQL statement?

    1. Statement
    2. PreparedStatement
    3. CallableStatement
    4. None of the given

32. previous() is a method of __________ object.

    1. Statement
    2. ResultSet
    3. ResultSetMetaData
    4. Connection

33. Which of the following is NOT a method of ResultSet object?

    1. next()
    2. absolute(int)
    3. executeQuery(sql)
    4. updateRow()

34. isReadOnly() is a method of _________ object.

    1. ResultSet
    2. ResultSetMetaData
    3. DataBaseMetaData
    4. Connection

35. Which of the following syntax is used to get ResultSetMetaData object?

    1. None of the given
    2. ResultSetMetaData md = rs.getMetaData();
       // where rs is ResultSet object
    3. ResultSetMetaData md = st.getMetaData();
       // where st is Statement object
    4. ResultSet md = rs.getMetaData();
       // where rs is ResultSetMetaData object

36. Which of the following object is passed as an argument to paintComponent() method?

    1. Image object
    2. JPanel object
    3. JFrame object
    4. Graphics object

37. Which of the following methods are invoked by the AWT to support paint and repaint operations?

    1. paint( )
    2. repaint( )
    3. draw( )
    4. redraw( )

Select a course code for Objective Questions:

ACC311 ACC501 BIF101 BIF401 BIF501 BIO101 BIO201 BIO202 BIO203 BIO204 BIO301 BIO302 BIO303 BIO401 BIO503 BNK603 BT101 BT201 BT301 BT302 BT401 BT402 BT403 BT404 BT405 BT406 BT501 BT504 BT505 BT604 CHE201 CHE301 CS001 CS101 CS201 CS202 CS204 CS301 CS302 CS304 CS311 CS401 CS402 CS403 CS408 CS501 CS502 CS504 CS506 CS508 CS601 CS602 CS604 CS605 CS607 CS609 CS610 CS614 CS707 CS710 ECO401 ECO402 ECO403 ECO404 EDU302 EDU401 EDU402 EDU501 EDU601 ENG101 ENG201 ENG301 ENG501 FIN611 FIN624 FIN625 ISL201 IT430 MCM101 MCM301 MGMT623 MGT101 MGT211 MGT301 MGT401 MGT402 MGT501 MGT502 MGT503 MGT510 MGT601 MGT603 MKT501 MKT610 MKT630 MTH101 MTH202 MTH302 MTH501 MTH601 MTH634 PAK301 PHY101 PHY301 PSY101 PSY403 PSY502 PSY512 SOC101 SOC301 SOC401 STA301 STA630 STA641 ZOO102 ZOO401 ZOO501 ZOO502 ZOO503 ZOO504 ZOO505 ZOO506 ZOO510 ZOO630

Select a course code for Subjective Questions:

ACC311 CS001 CS101 CS201 CS301 CS607 CS701 CS702 CS703 CS704 CS707 CS708 CS710 CS711 CS718 CS721 CS724 ECO401 ECO403 ENG101 ENG301 MGT703 MTH501 STA301