FINALTERM EXAMINATION
Spring 2010
CS304- Object Oriented Programming
Time: 90 min
Marks: 58
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Center: | ||
Exam Date: | ||
Question No: 1 ( Marks: 1 ) - Please choose one
A template argument is preceded by the keyword ________.
► vector
► class
► template
► type*
Question No: 2 ( 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: 3 ( Marks: 1 ) - Please choose one
It is sometimes useful to specify a class from which no objects will ever be created.
► True
► False
Question No: 4 ( Marks: 1 ) - Please choose one
Consider the following statements:
1) int iArray[5];
2) int *pArr = iArray;
► These statements will compile successfully
► Error in first statement
► Error in second statement
► None of given options
Question No: 5 ( Marks: 1 ) - Please choose one
If there is a pointer p to objects of a base class, and it contains the address of an object of a derived class, and both classes contain a nonvirtual member function, ding(), then the statement p->ding(); will cause the version of ding() in the _____ class to be executed.
► Base
► Derived
► Abstract
► virtual
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
Statement I: All the non-private members of the base class can be accessed from the derived class as if they were members of the derived class.
Statement II: The protected data members can be accessed in the same class or in its derived class
► Both are true
► Both are false
► Statement I is true, statement II is false
► Statement I is false, statement II is true
Question No: 8 ( Marks: 1 ) - Please choose one
Template functions use _________ than ordinary functions.
► Greater Memory
► Lesser Memory
► Equal Memory
► None of the given options
Question No: 9 ( Marks: 1 ) - Please choose one
The find() algorithm
► finds matching sequences of elements in two containers.
► finds a container that matches a specified container.
► takes iterators as its first two arguments.
► takes container elements as its first two arguments.
Question No: 10 ( Marks: 1 ) - Please choose one
Behaviors of objects are represented through,
► Data
► States
► Attributes
► Operations
Question No: 11 ( Marks: 1 ) - Please choose one
class DocElement
{
public:
virtual void Print() { cout << "Generic element"; }
};
class Heading : public DocElement
{
public:
void Print() { cout << "Heading element"; }
};
class Paragraph : public DocElement
{
public:
void Print() { cout << "Paragraph element"; }
};
void main()
{
DocElement * p = new Paragraph();
p->Print();
}
When you run this program, it will print out a single line to the console output.
What will be in that line?
Select one correct answer from the following list:
► Generic element
► Heading element
► Paragraph element
► Nothing will be printed.
Question No: 12 ( Marks: 1 ) - Please choose one
Compiler performs ________ type checking to diagnose type errors,
► Static
► Dynamic
► Bound
► Unbound
Question No: 13 ( Marks: 1 ) - Please choose one
Function overloading should be use where behavior must be similar to some extent but code may differ.
► True
► False
Question No: 14 ( Marks: 1 ) - Please choose one
Consider the following definition
template < class T > class Xyz { … };
► it defines a class template for integers only
► it defines a class template for any data type
► class templates are not defined in this way
► none of given options
Question No: 15 ( Marks: 1 ) - Please choose one
Which one of the following is example of complete specialization,
► template <typename T> class Vector { };
► template <typename T> class Vector<T*> { };
► template<> class Vector <char*> { };
► None of given.
Question No: 16 ( Marks: 1 ) - Please choose one
By default the vector data items are initialized to ____
► 0
► 0.0
► 1
► null
Question No: 17 ( Marks: 1 ) - Please choose one
Which one of the following functions returns the total number of elements in a vector.
► length();
► size();
► ele();
► veclen();
Question No: 18 ( 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: 19 ( Marks: 1 ) - Please choose one
A range is often supplied to an algorithm by two _______ values.
► italic
► iteration
► iterator
► None of given
Question No: 20 ( Marks: 1 ) - Please choose one
Which of the following is the way to extract common behaviour and attributes from the given classes and make a separate class of those common behaviours and attributes?
► Generalization
► Sub-typing
► Specialization
► Extension
Question No: 21 ( Marks: 1 ) - Please choose one
In inheritance, a child class is a sub-type of base class.
► True
► False
Question No: 22 ( Marks: 1 ) - Please choose one
By default all members of a class are,
► Public
► Protected
► Private
► Public & protected
Question No: 23 ( Marks: 1 ) - Please choose one
this pointers are not accessible for const member functions.
► True
► False
Question No: 24 ( Marks: 1 ) - Please choose one
Object can be declared constant with the use of Constant keyword.
► True
► False
Question No: 25 ( Marks: 1 ) - Please choose one
------------- members are somewhere between public and private members. They are used in inheritance
► protected
► public
► private
► global
Question No: 26 ( Marks: 1 ) - Please choose one
In Private -------------- only member functions and friend classes or functions of a derived class can convert pointer or reference of derived object to that of parent object
► specialization
► inheritance
► abstraction
► composition
Question No: 27 ( Marks: 2 )
Give the basic difference between Iterators and cursors?
Question No: 28 ( Marks: 2 )
What are the non - type parameters for templates?
Question No: 29 ( Marks: 2 )
State any conflict that may rise due to multiple inheritance?
Question No: 30 ( Marks: 2 )
What is behavior of an object. Explain it with the help of one real life example..
Question No: 31 ( Marks: 3 )
Give the general syntax of nested try catch blocks?
Question No: 32 ( Marks: 3 )
Write a template function that takes one template parameter and always returns value that is always equal to double of its parameter value (parameter * 2).
Question No: 33 ( Marks: 3 )
If we declare a function as friend of a template class will it be a friend for a particular data type or for all data types of that class.
Question No: 34 ( 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 {
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;
}
Question No: 35 ( Marks: 5 )
Examine the following code and determine the output of the program
a. if A and B methods are virtual
b. if A and B methods are not virtual
class A
{
public:
void method() { cout<<"A's method \n"; }
};
class B : public A
{
public:
void method() { cout<<"B's method\n"; }
};
void main()
{
A obj1;
B obj2;
A* aptr;
aptr = & obj2;
obj2. method();
obj1. method();
aptr -> method();
}
Question No: 36 ( Marks: 5 )
Q. What do you know about Exception in initialization ? Expalin it with a help of an example.
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