BCA 502:INTERNET PROGRAMMING NOV /DEC 2009 QUESTION PAPER

                                 V SEMESTER B.C.A. EXAMINATION NOV/DEC  2009
                                                               Y2K7  SCHEME
                                                       COMPUTER SCIENCE
                                     BCA 502  : INTERNET PROGRAMMING

Time : 3Hours                                                                            Max.Marsk: 80

Instruction : Answer all sections

SECTIONS-A

Answer any eight questions                      3 x 8 = 24

1.How  Java is strongly associated with the internet.

2.What is an empty statement? Explain its usefulness.

3.What are command line arguments ? How are they userful ?

4.Compare and contrast  overloading and overriding methods.

5.What is a package ? How to add a class or interface to a package ?

6.What is thread ? What is the difference between  suspending and stopping a thread ?

7.What is an exception ? Explain the syntax  of exception handling code.

8.How do applets differs from application program ?

9.How many catch block can be used  with one try block ? Explain.

10.Which class is used to draw a shape on the screen ? Explain.

SECTION-B

Answer any four full questions   4 X 14 = 56

11.a) How java differs from C and C++ ?

      b)Write short notes on

    i) JVM 

   ii) SDK 

   iii) AWT .                          8  +  6

12.a) What is an vectore ?How is different from an array ?

    b) Write a program which will read a string and rewrite it in alphabetical order

     for example the word STRING should be written as GINRST.              7  +  7

13. a) Describe  the complete life cycle of thread.

    

       b) Write a  program to implement thread priorities.    7  + 7

14. a) Explain the differnce between

      i) Constructor and Methods.

     ii) public member and private member of a class.

     iii) interface and abstract class.

 b) Explain some of the most common types of exception that occur in Java.       6 + 8 

15.a) Explain the skeleton of an applet with an example.  

    

    b) Develop an applet that receives 3numeric values as input from the user and 

 

     then display the largest of the 3 on the screen and write HTML page.    7  +  7

16.a) Explain the I/0 stream classes used for handling primitive data types .

     b) Write a program to count the number of character words and lines in the file.     7  +  7