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Posted By: CONFIDENCE IS THE COMPANION OF SUCCESS Member Level: Diamond Posted Date: 17 Apr 2008
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2007 Anna University B.E Electrical and Electronics OBJECT ORIENTED PROGRAMMING Question paper
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B.E./B.TECH. DEGREE EXAMINATION MAY/JUNE 2006
fourth semester
Electrical and Electronics Engineering
EE 237-OBJECT ORIENTED PROGRAMMING
REGULATION 2001
time:Three hours maximum:100 marks
answer all questions.
PART A (10*2=20MARKS)
1.What are the features provided by object based and object oriented languages?
2.What type of abstraction is employed in (a) procedure (b) Object Oriented Programming?
3.Model a mobile phone as a class.
4.Write a function to swap two integer values using reference variables.
5.What are the operators of C++ that cannot be overloaded?
6.Indicate how different types of members of base class are visible in (a) Public and (b) Private derivation.
7.Describe the following function's declaration
virtual void service (int n) = 0;
8.Can you have a class named main in C++? If yes, how do you call its constructor?
9.What is the main purpose of a template in C++? Give an example.
10.Which of the following statements are correct?
int const *pi = & x;
(a) x=10;
(b) *pi=10;
(c) pi ++;
(d) ++*pi;
PART B-(5*16=80 MARKS)
11. (i) Model a delta network (with resistors) as a class.Equip the class with required data and function members. Write a program to test the class and to display te equivalent delta network.(8 marks)
(ii) Simulate a simple electrical system using C++ program. Describe identification of classes and objects. Write a test program to illustrate the design. (8 marks)
12. (a) Explain the following characteristics of object oriented programming with examples.
(i) Data Encapsulation
(ii) Polymorphism
(iii) Genericity
(iv)Inheritance. (4*4=16 marks)
OR
(b) (i) Is there a difference between List x and List x ()? Explain. (6 marks)
(ii) How do member functions, friend functions and non member functions differ? Give a programming example to support your answer. (10 marks)
13 (a) (i) What are the different ways of writing default constructors? Give examples. (8 marks)
(ii) What is a dangling pointer? Give an example. (8 marks)
OR
(b) (i) What are the default arguments? Give an example to illustrate programming syntax. (8 marks)
(ii) Write a C++ program to print the following triangle of numbers.Keep your program as short as possible.Read n as input. (8 marks)
1
2 2
3 3 3
4 4 4 4
14 (a) Assume the following is allowed
Complex c1 (5,4), c2 (-5,4);
c1++; ++c2;
c2=c1 + c2;
c1 +=c2;
c1= -c1;
cout<< c1;
Write a C++ program to perform these operations. (16 marks)
OR
(b) Give an application that fits the following inheritance hierarchy and write the program for the same. Each class should have atleast two data members and two function members.
(16 marks)
15. (a) (i) Explain the need for a virtual destructor? (8 marks)
(ii) Describe dynamic binding and how is it implemented in C++? (8 marks)
OR
(b) (i) Consider the following program segment:
class A {
public :
A (void) {cout << "How";}
~A (void) {cout << "What";}
};
class B : A {
public :
B (void) {cout << "Why";}
~B (void) {cout << "Hello";}
};
What does the declaration B x print? If the main function has the following two statements, what will be the output?
B x; cout << "Done" (6 marks)
(ii) Give the syntax of function template. Write a template function for sorting. Write a test program to illustrate its use. (10 marks)
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