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Posted By: Bala Member Level: Diamond Posted Date: 18 Dec 2007
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2003 Centre for Development of Advanced Computing(C-DAC) M.C.A MCA-110 Object Oriented Programming University Question paper
End-Term Examination
Second Semester [MCA] – DEC 2003
Paper Code: MCA-110 Subject: Object Oriented Programming
Time: 3 Hours Maximum Marks: 60
Q. 1 (a) Define and explain the following terms with examples 12
(i) Encapsulation
(ii) Polymorphism
(iii) Inheritance
Q. 2 Compare and contrast the following:- 12
(i) Private and Public methods.
(ii) Protected and friends function
(iii) Static classes and structures
(iv) Pointer and reference variables.
Q. 3 (a) Implement a integer class that checks for range (of value) violation. 8
(b) Is the following fragment valid? If not, why not? 4
int &f ( );
.
.
.
int *x;
x = f ( );
Q. 4 (a) What does the following program? 8
#include
class A {
public :
A ( ) { cout << ”Constructing A\n “; }
~A ( ) {cout << “Destructing A\n “; }
};
class B {
public:
B( ) {cout << “Constructing B \n “; }
~B ( ) {cout << “Destructing B \n “; }
};
class C: public A, public B {
public:
C ( ) {cout<<”Constructing C \n “; }
~C ( ) {cout << “Destructing C \n “; }
};
void main( )
{
C ob;
Return ;
}
(b) What is the role of virtual base class? Explain. 2
(c) What is the utility of a virtual function in a class? Explain. 2
Q. 5 Design a template class for implementation of a stack of any object. Implement
the template as a linked list. 12
Q. 6 (a) Demonstrate the overloading of the following operators or functions. 10
(i) new (ii) <<
(iii) (binary) (iv) #
(v) * (Multiplication)
(b) Which operators cannot be overloaded in C++. 2
Q. 7 Write short notes on ANY TWO of the following : - 6+ 6
(a) Standard Template Library.
(b) Namespace and Namespace mangling
(c) “Since C++ provides procedural programming constructs, C++ is not an
object oriented language”. Comment.
(d) Late binding.
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