Rajiv Gandhi Proudyogiki Vishwavidyalaya 2008-3rd Sem M.C.A Computer Aplications .(ester) ,e, - university paper

MCA-303
M.C.A.(Third Semester) EXAMINATION,June,2008
OBJECT ORIENTED METHODOLOGY AND C++
(MCA-303)
Time : 3 Hours
Maximum Marks : 100
Minimum Pass Marks : 40

Note : Attempt 1 ques. from every Unit.

Unit - I
1.(a) elaborate object and classes ? How does class differ from structure ?
(b) How many kinds of loops are available in c++ ? discuss every.

2.(a) What is a copy constructor ? What is its utility ?
(b) Design classes to represent co-ordinates of a Point-Polar Class and Cartesian Class.
Bothe the classes should have the subsequent member functions :
(i) Constructor, with default values
(ii) Functions to set value
(iii) Function to display value
Make the polar class first; followed by the cartesian class.
The Cartesian class should contain member functions to support conversion ranging from
Polar and Cartesian objects, i.e. conversion constructor and member conversion function
Design the main program also to demonstrate the conversion process.

Unit - II
3.(a) Overload Operator Binary "++".
(b) elaborate Pointer to Class member ? How do they differ from normal pointer.

4.(a) What do you understand by dimond shape ambiguity ? How it can be removed ?
(b) Overload function learn which learn the matrix of size m × n from the keyboard to
learn integer, float and character.

Unit - III
5.(a) "The virtual attribute is inherited and is hierarchical." Comment.
(b) Illustrate the utility of friend function using an example.

6.(a) How run time polymorphism is achieved ?
(b) Write short notes on the subsequent :
(i) Abstract class
(ii) Early and late binding

Unit - IV
7.(a) Write a program to copy a file.
(b) explain different stream classes in C++.

8.(a) discuss the different features that can be used to format the output.
(b) What is an Exception Specification ? Where it is used ? When do we use multiple
catch handler ?

Unit - V
9.(a) discuss object oriented modeling.
(b) Design a use case diagram for Bank.
10.(a) elaborate UML specification ? How do they follow object oriented approach ?
(b) obtain out the classes and object for your college and draw object diagram.

Earning:   Approval pending.