Pokhara University
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Level: Bachelor
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Semester – Spring
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Year : 2008
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Programme: BE
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Full Marks: 100
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Course: Object Oriented Programming in C++
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Time : 3hrs.
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Candidates are required to
give their answers in their own words as far as practicable.
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The figures in
the margin indicate full marks.
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Attempt all the questions. |
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1.
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a)
What are the main features of Object Oriented
Programming? Would you consider it better than structured programming? If you
do, what makes it better?
b)
How does OOP provide reusable software components?
Explain stack versus heap memory allocation.
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8
7
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2.
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a)
How are object oriented programs designed and
developed according to the concept of FDD? Describe the entire process in
brief.
b)
Define a class to represent a bank account. Include
the following members.
Data Members:
i.
Name of the account holder
ii.
Account Number
iii.
Account Type
iv.
Balance Amount
Member Functions:
i.
To assign initial values
ii.
To deposit an amount
iii.
To withdraw an amount
iv.
To display name and balance
Write a main program to test your
class.
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7
8
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3.
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a)
"Friend function breaches the
encapsulation". Justify. Also mention the uses of friend function.
b)
Create a class called time that has separate int
member data for hours, minutes, and secons. One constructor should initialize
this data to zero (0), and another should initialize it to fixed values. A
member function should display it in 10:45:30
format. The final member function should add two objects of type time passed
as arguments.
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7
8
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4.
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a)
Differentiate function overloading and function overriding.
With suitable example.
b)
Refer to the figure given below. The class Master
derives information form both Account and Admin classes, which in turn derive
information from the class person. Define all four classes and write a
program to create, update and display the information contained in Master
object.
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8
7
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5.
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a)
What are the advantages of using runtime
polymorphism over compile time polymorphism. How does overloading differ from
overriding? Explain.
b)
Create a class shape with a pure virtual member
function display (). Derive two classes circle and rectangle. With member function
by overriding member function in base class shape to display the name of
respective shape. Write main function to create objects of derived classes
and call display function.
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7
8
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6.
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a)
State principle of substitutability. Briefly
explain subclass and subtype.
b)
What is generic programming? How is it implemented
in C++? Write any program to illustrate the concept of template.
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7
8
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7.
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Write short notes on (Any
Two)
a)
"Responsibility implies
non-interference"
b)
this pointer
c)
Containership
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2×5
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