Thursday, September 5, 2013

BCA 502 :INTERNET PROGRAMMING OCT/NOV 2011 QUESTION PAPER.


                                 V SEMESTER B.C.A. EXAMINATION OCT/NOV  2011
                                                               Y2K7  SCHEME
                                                       COMPUTER SCIENCE
                                     BCA 502  : INTERNET PROGRAMMING

Time : 3Hours                                                                            Max.Marsk: 80

Instruction : Answer all sections

SECTION-A

1.What are main feature of java programming languages ?

2.List any three differences between applets and applications.

3.What is data abstraction?



4.what are threads? How they differ from process?

5.differentiate Do loop and while loop.

6.Explain 'super ' keyword with an example.

7.What is the use of finalize () method ?

8.What is an interface ? How does it differ from an abstract class ?

9.what is constructor overloading ?

10.Explain any three string methods in java with examples.

SECTION - B

11 . a) Explain exception handling in java.What is the use of finally block ?

       b) Write a note on streams.
   
       c) What are command line argument ?         7 + 4 + 3

12.a) Write a java program to produce the following output using for loop.

      1

      2       3

      4        5     6

     7         8    9    10

   
    b) Write note on Jump statements.    

    c) Explain concept of encapsulation in java.Write a note on data hiding.   7  + 3 + 4

13.a) Illustrate method overloading with an example .

    b) Write a  short notes on static variables and static methods.

   c) What is an abstract class ?How it is useful in java ?                                5 + 5 + 4

14.a)What are applets. ? Explain life cycle of an applet.
 
      b)What is inheritance ? List types of inheritances in java.
   
      c) Write note on AWT  package.                                          5 + 5 + 4

15.a) Write a java program to sort n number using bubble sort.
 
     b) What are three types of objects involved in Event handling.

    c) Mention any six drawing methods of Graphic class          5  +  4  +  5

16.a) Write a java program to implement mouse events.

     b) Explain the math class and write notes on different methods defined in it.  7  + 7 

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