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Reg No.:_. Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
SIXTH SEMESTER B.TECH DEGREE EXAMINATION(R&S), MAY 2019

Course Code: EC312
Course Name:Object Oriented Programming
Max. Marks: 100 Duration: 3 Hours
Answer any two full questions, each carries 15 marks Marks
1 a) Discuss the features and advantages of Object Oriented Programming. (7)
b) Illustrate with a real life example how multi-level inheritance is implemented in (8)

C++ programs.
2 a) Identify the error in the following C++ program segment. Give explanation. Give (7)
any suggestion to rectify the error.

#include

class room

{

intwidth, length;
void setvalue(int w, 1)

{

width=w; length=1}
];

void main()

{

room classroom;
classroom.setvalue(12,13):

b) What is an object in a C++ program? (4)
c) What is the need of an abstract base class? Give example. (4)
3 ஐ Explain the use of constructors and destructors in a program. Write example to (7)
show different constructors used in same class definition.
b) Write a program to show how to overload ‘+’ operator (8)
i) without friend function
ii) with friend function
PART B
Answer any two full questions, each carries 15 marks
4 a) How 15 polymorphism achieved in C++ at (7)
i) run time
ii) compile time ?

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