Rajasthan Technical University 2009 B.C.A Computer Application University of Rajasthan part-II (Object Oriented Programming) - Question Paper

Bachelor of computer applications (part II)

Examination, 2009

Paper 215

Object Oriented Programming

Q.1 (a) discuss the basic concepts of OOPs object oriented programming.
(b) Why is Java known as platform-neutral language?
(c) What is ADO?

Q.2 (a) What is Java Applet? discuss the applet life cycles with diagram.
(b) What is a constructor? elaborate its special properties?
(c) When do we declare a method or class Final?

Q.3 (a) discuss the difference ranging from SDI and MDI?
(b) What is a subprocedure? discuss and differentiate with a function.
(c) What is an array using in VB?

Q.4 (a) Write a program in Java language to obtain out the factorial of a natural number 5.
(b) What is the functionoverloading? discuss and differentiate with overriding.

Q.5 (a) Write a program to print the subsequent output using for loop in VB/Java?
(i) 1
two 2
three three 3
four four four 4

(ii) *
* *
* * *
* * * *

(b) Write a program to convert the provided temperature in Fahrenheit to Celsius using the subsequent conversion formula :
C=F-32/1.8
and display the values for F=50 and 60.3.5

Q.6 Write short notes on the subsequent :
(a) Operator overloading;
(b) Wrapper classes;
(c) ActiveX controls;
(d) Dynamic Link Library(DLL);
(e) Classes using in VB.

Earning:   Approval pending.