VTU Computer Science (Semester 4)
Object Oriented Programming with C++
June 2012
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1 (a) Describe the following characteristics of object oriented programming:
(i) Encapsulation (ii) Polymorphism (iii) Inheritance
8 M
1 (b) Write the general form of function. Explain the different types of argument passing techniques, with example.
8 M
1 (c) What are pointers? Explain with example.
4 M

2 (a) What is class? How it is created? Write a C++ programme to create a class called employee with data members: name, age and salary . Display at least '5' employee information.
10 M
2 (b) What are constructors? How is a constructor different from member function? Illustrate with example.
6 M
2 (c) What is data hiding? How it is achieved in C++? Explain with example.
4 M

3 (a) What are friend functions? Why they are required? Illustrate with example.
10 M
3 (b) What is the use of operator overloading? Write a programme to overload the following operators:
(i) Pre-increment (ii) Post-decrement operators.
10 M

4 (a) What is inheritance? How to inherit a base class a protected? Explain the inheriting multiple base classes.
6 M
4 (b) With an example, explain the inheriting multiple base classes.
6 M
4 (c) Explain with example base class access control.
8 M

5 (a) Explain the different order of invocation of constructors and destructors in inheritance, with simple example.
12 M
5 (b) Explain with example, "granting access" with respect to inheritance.
8 M

6 (a) What are virtual functions> What is the need of virtual function? How is early binding is different from late binding?
6 M
6 (b) What is pure virtual function? Explain with an example.
8 M
6 (c) How to inherit a virtual attributes? Explain with example.
6 M

7 (a) What is exception handling? Write a C++ programme to demonstrate the "try", "throw" and "catch" keywords for implementing exception handling.
10 M
7 (b) What is standard template library (STL)? List and explain any five member functions from "list" and "vector" classes.
10 M

Write short notes on:
8 (a) C++ stream classes
5 M
8 (b) File operation
5 M
8 (c) Function overloading
5 M
8 (d) Inline function
5 M



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