FINAL TERM EXAMINATION
2009
CS304- OBJECT ORIENTED PROGRAMMING
Question No: 1 ( Marks: 1 ) - Please choose one
Classes like TwoDimensionalShape and ThreeDimensionalShape would
normally be concrete, while classes like Sphere and Cube would normally be
abstract.
► True
► False
Question No: 2 ( Marks: 1 ) - Please choose one
Each try block can have ______ no. of catch blocks.
► 1
► 2
► 3
► As many as necessary.
Question No: 3 ( Marks: 1 ) - Please choose one
Function templates should be used where code and behavior must be identical.
► True
► False
Question No: 4 ( Marks: 1 ) - Please choose one
Consider the following statement
Cupboard has books
What is the relationship between Cupboard and books?
► Composition
► Aggregation
► Inheritance
► None of the given options
Question No: 5 ( Marks: 1 ) - Please choose one
Identify the correct way of declaring an object of user defined template class A
for char type members?
► A< char > obj;
► <char>A obj;
► A obj<char>;
Imrangee
► Obj <char> A;
Question No: 6 ( Marks: 1 ) - Please choose one
The user must define the operation of the copy constructor.
► True
► False
Question No: 7 ( Marks: 1 ) - Please choose one
Default constructor is such constructor which either has no ---------or if it has
some parameters these have -------- values
► Parameter, temporary
► Null, Parameter
► Parameter, default
► non of the given
Question No: 8 ( Marks: 1 ) - Please choose one
The type that is used to declare a reference or pointer is called its ---------
► default type
► static type
► abstract type
► reference type
Question No: 9 ( Marks: 1 ) - Please choose one
How the information hidden within an object can be accessed?
► Through its interface
► Through its private data members
► Through its private member functions
► Through both public and private members
Question No: 10 ( Marks: 1 ) - Please choose one
The sub-object’s life is not dependant on the life of master class in __________.
► Separation
► Composition
► Aggregation
► None of the given
Question No: 11 ( Marks: 1 ) - Please choose one
Encapsulation means
Select correct option:
Imrangee
►Extending the behaviour of class in another class
►Data and behaviour are tightly coupled within an entity
►One entity takes all the attributes and operations of the other
►Taking out the common features and put those in a separate class
Question No: 12 ( Marks: 1 ) - Please choose one
Algorithms can only be implemented using STL containers.
► True
► False
Question No: 13 ( Marks: 1 ) - Please choose one
When we write a class template the first line must be:
► template < class class_name>
► template < class data_type>
► template < class T >
Here T can be replaced with any name but it is preferable.
► class class-name()
class template<class_name>
Question No: 14 ( Marks: 1 ) - Please choose one
An STL container can not be used to,
► hold objects of class employee.
► store elements in a way that makes them quickly accessible.
► compile c++ programs.
► organize the way objects are stored in memory
Question No: 15 ( Marks: 1 ) - Please choose one
___________, which means if A declares B as its friend it does NOT mean that
A can access private data of B. It only means that B can access all data of A.
► Friendship is one way only
► Friendship is two way only
► NO Friendship between classes
► Any kind of friendship
Question No: 16 ( Marks: 1 ) - Please choose one
Which of the following may not be an integral part of an object?
► State
Imrangee
► Behavior
► Protected data members
► All of given
Question No: 17 ( Marks: 1 ) - Please choose one
Public methods of base class can --------- be accessed in its derived class
► directly
► inderectly
► simultaniously
► non of the given
Question No: 18 ( Marks: 1 ) - Please choose one
If a class D has been derived using protected inheritance from class B (If B is a
protected base and D is derived class) then public and protected members of B -
------- accessed by member functions and friends of class D and classes derived
from D
► can be
► cannot be
► does restirct to be
► not given
Question No: 19 ( Marks: 1 ) - Please choose one
What is true about function templates?
► The compiler generates only one copy of the function template
► The compiler generates a copy of function respective to each type
of data
► The compiler can only generate copy for the int type data
► None of the given.
Question No: 20 ( Marks: 1 ) - Please choose one
Which of the following is an integral part of an object?
► State
► Behavior
► Unique identity
► All of the given
Question No: 21 ( Marks: 1 ) - Please choose one
When the base class and the derived class have a member function with the
Imrangee
same name, you must be more specific which function you want to call (using
___________).
► scope resolution operator
► dot operator
► null operator
► Operator overloading
Question No: 22 ( Marks: 2 )
Describe the way to declare a template function as a friend of any class.
Question No: 23 ( Marks: 2 )
Explain two benefits of constructor.
Question No: 24 ( Marks: 2 )
Can a constructor throws an exception. How to handle error when the
constructor fails?
Question No: 25 ( Marks: 2 )
Write the code for a function template
Question No: 26 ( Marks: 3 )
Write three advantages of Iterator.
Question No: 27 ( Marks: 3 )
What is the difference between Virtual and Multiple Inheritance?
Question No: 28 ( Marks: 5 )
What is random_iterator? What is relation between random_iterator and
Vector?
Question No: 29 ( Marks: 5 )
The code given below has one template function as a friend of a template class,
1. You have to identify any error/s in this code and describe the reason for
error/s.
2. Give the correct code after removing the error/s.
template<typename U>
void Test(U);
template< class T >
class B {
Imrangee
int data;
public:
friend void Test<>( T );
};
template<typename U>
void Test(U u){
B < int> b1;
b1.data = 7;
}
int main(int argc, char *argv[])
{
char i;
Test(i);
system("PAUSE");
return 0;
}
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