bca2030 smu bca fall 2014 IInd sem assignment

Fall  2014, ASSIGNMENT

PROGRAM – BCA (REVISED FALL 2012)

SEMESTER - 2

SUBJECT CODE & NAME - BCA2030- OBJECT ORIENTED PROGRAMMING – C++

CREDIT – 4 BK ID - B1641, MAX. MARKS - 60

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Q1. Write short notes on:

a) Inheritance

b) Polymorphism 5+5 = 10

Answer:

A) Inheritance

Inheritance is one of the most powerful features of Object Oriented Programming Languages that allows you to derive a class from an existing class and inherit all the characteristics and

Q2. Differentiate between pass by value and pass by reference 5+5 10

Answer.

There are two ways to pass values to a function through arguments. These two methods are explained below with examples.

Pass By Value

Q3. Differentiate between Constructors and Destructors.

Answer: Constructor:

• Constructor is Used to Initialize the Object.

• Constructor can takes arguments.

• Constructor overloading can be possible means more than one constructors can be defined insame class.

 Q4. What are the advantages of Polymorphism? How it can be implemented? 5+5=10

Answer: Advantages

·         Code is simpler to write (and read)

·         Uniform interface for clients, i.e., type specific details only in class code, not in the client code

Q5. Differentiate between Containers and Iterators 5+5= 10

Answer: Containers

STL provides a number of container types, representing objects that contain other objects. The STL contains sequence containers and associative containers. The standard sequence containers include vector, deque and list, sequence containers in, as their name suggests, store data in linear

Q6. Describe the two basic exception handling models. 5+5= 10

Answer: If you encounter an exceptional situation in your code – that is, one where you don’t have enough information in the current context to decide what to do – you can send information about the error into a larger context by creating an object containing that information and “throwing” it out of your current context. This is called throwing an exception. Here’s what it

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