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Spring
2015, ASSIGNMENT
PROGRAM
– BCA (REVISED FALL 2012)
SEMESTER
- 2
SUBJECT
CODE & NAME - BCA2030- OBJECT ORIENTED PROGRAMMING – C++
CREDIT
– 4 BK ID - B1641, MAX. MARKS - 60
Q1. Write short notes on:
a) Switch statement
b) Conditional Operator
Answer:
a) Switch statement:
A switch statement
allows a variable to be tested for equality against a list of values. Each
value is called a case, and
Q2.
Differentiate between Classes and Objects. Write an example program to
represent a class and its object. 4+6= 10
Answer:
Classes and objects are separate but related
concepts. Every object belongs to a class and every class contains one
or more related objects.
A
Class is static. All of the
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.
- Constructor has same name as class name.
- Syntax of constructor:
class class_name
{
clas_sname(){}
class_name(argulist){}
} ;
{
clas_sname(){}
class_name(argulist){}
} ;
- Constructor are of following:
1)Default Constructor.
2)Parameterized Constructor.
3)Copy Constructor.
2)Parameterized Constructor.
3)Copy Constructor.
- Constructors can be used to
dynamically initialize the memory.
- Constructor indirectly use the
New operator to initialize the object.
Destructor:
- Destructor is used to destroy
the object that are created in memory previously.
- Destructor can not take any
arguments.
- Destructor overloading can not
be possible.
- Destructor has same name as
class name with tiled operator.
- Syntax of Destructor:
class class_name
{
~class-name(void){}
};
{
~class-name(void){}
};
- Destructor has no any types.
- Destructor can be used to
deallocate the memory.
- Destructor indirectly use the
Delete operator to destroy the object initialize by constructor.
Q4. Describe the two basic
exception handling models. 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 looks like: throw myerr
Q5. Write a C++ program to swap two
numbers without using a temporary variable. 10
Answer:
1. /*
2. * C++ program to swap two numbers without using a temporary variable
3. */
4
Q6.
Write A C++ program to implement class rectangle and find its area.
Answer:
#include <iostream.h> #include<conio.h> class Rectangle { int x, y;
Get fully solved assignment. Buy online from website
online store
or
plz drop a mail with your sub code
we will revert you within 2-3 hour or immediate
Charges rs
125/subject and rs 625/semester only.
if urgent then call us on 08791490301, 08273413412
