mca2030 smu mca 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 behaviour of the parent class. This feature allows easy modification of existing code and also

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.

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

Answer: Advantages

·          in applications.

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

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

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