OOP
Question Bank for Theory Exam
Unit
I
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Sr. No
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Questions
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1
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When would you choose to use C rather than C++?
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2
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List
the features of Object oriented programming
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3
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What
is Constructor and Destructor, explain using program
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4
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What
is class and object. Differentiate between class and object
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5
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What
is class abstraction
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6
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Write
a program which uses default constructor, parameterized constructer and
destructor.
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7
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Compare 1)
Procedure oriented programming Vs Object oriented programming
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8
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What is the use of ‘this’ pointer
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9
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Compare
and contrast dynamic memory allocation and deallocation operators new, new
[], delete and delete [].
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10
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Define class
Number which has inline function mult ( ) and
cube () for calculating the multiplication of 2 double numbers given
and cube of the integer number given
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Unit-II
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Sr. No
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Questions
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1
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Explain
Polymorphism.
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2
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When
do we overload the functions and when do we override
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3
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Explain
Function overloading and operator overloading
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4
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Write
a program to overload unary operator using friend functions.
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5
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Write
a program to overload binary operator using friend functions.
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6
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Explain
what is type casting, Implicit type casting and explicit type casting
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7
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Explain
information hiding in C++.
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8
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Explain
public, private and protected keywords using program
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9
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What
are type of inheritance
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10
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What
is an abstract class, how it is different from concrete class.
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11
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What
are nested classes, how to access the members of nested classes. Explain
using example
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12
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Define
a class string and use overloaded == operator to compare two strings.
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13
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Write
a program to overload insertion (<<) and extraction (>>) operator
in C++
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14
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Explain
need of operator overloading. Write C++ program to demonstrate use of unary
operator overloading
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Unit
III
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Sr. No
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Questions
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1
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Explain
static variables and static member function in C++ using program
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2
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What
are virtual functions
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3
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Explain
Virtual destructor
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4
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What
is difference between pointer and references. Explain using program
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5
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What
is Pointer, Smart Pointer and Shared Pointer. Explain using diagram and
program
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6
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What
is significance of Static keyword in programming
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7
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Explain
the dangling pointer
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8
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What
is ‘this’ pointer
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9
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What
is the significance of friend keyword. Explain using program
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10
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Write
a program to Find the sum of an array Arr by passing an array to a function
using pointer
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11
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How
smart pointers avoids the problem of memory leak
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12
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Explain
virtual base class and virtual function with example
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Unit-IV
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Sr. No
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Questions
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1
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What
is generic programming? How it is implemented in C++
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2
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Explain
What is Function template and Class template using program
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3
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What
I exceptional handling
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4
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Explain
try, catch and throw mechanism of C++ exception al handling
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5
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What
is stack unwinding
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6
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Explain
class template using multiple parameters. Write a program in C++
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7
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Explain exception handling mechanism in C++? Write a
program in C++ to handle “divide by zero” exception.
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8
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What is the purpose
of Iterator? Elaborate forward, bidirectional and random-access iterators
with suitable examples
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9
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What do you mean by
rethrowing exceptions
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10
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Compare associative
containers Vs Sequence Containers Vs
Derived containers with example of each
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Unit-V
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Sr. No
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Questions
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1
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What
is a Stream? explain types of Streams available in C++
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2
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What
are cin and cout ? explain iostream.
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3
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What
are file pointers? explain various function used in file pointers
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4
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Explain
what is fstream, ifstream and ofstream with help of example
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5
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What
are various functions which are used to manipulate file pointers. Explain
using examples.
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6
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What
are stream errors, flags for setting and getting an error
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7
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Explain
Command line arguments in C++. Write program to explain the same
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8
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Write
a program to overload insertion (<<) and extraction(>>) operator
in C++
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9
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Write a
program Using the C++ file input and output class with open(), get(), close()
etc methods for opening, reading from and writing to a file
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10
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Write
a The C++ file input and output program: using seekg(), tellg(), read() etc
member functions.
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11
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Write
a program using the open(), eof() and getline() member functions to open and
read a file content line by line
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Unit-VI
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Sr. No
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Questions
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1
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What
is STL ? list different types of STL containers.
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2
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What
is a stack ? How it is implemented using STL
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3
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What
is an iterator ? what are types of Iterators
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4
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Write
a program to implement Map using STL
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5
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What
is container? List the container classes in C++. Explain any one of them
using program
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6
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Use
minimum 8 functions of vector STL. Write a program to explain the same
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7
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Use
minimum 8 functions of Deque STL. Write a program to explain the same
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8
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What
is the STL? Why should a C++ programmer be interested in the STL? What is the
design philosophy of the STL? What are the major components of the STL?
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9
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Write a program
to implement Map using STL
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10
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Use minimum 8
functions of vector STL. Write a program to explain the same
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