Title: Why C++ is called oop's?
1- C(Programming language)
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2HISTORY OF C
- In the early 1980s Bijarne Stroustrup who was
working for Bell labs develops c. - C was originally known as C with classes as two
language contributed to int design. - C is a subset of c as it is an Object Oriented
Programming./
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3OOPS CONCEPT
- C is based on OOPS concept. OOPS means Object
Oriented Programming. In this concept problem is
looked in term of objects rather than procedure.
All object oriented programming language has to
the following concept in common. - Abstraction
- Encapsulation
- Polymorphism
- Inheritance
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4ABSTRACTION
-
- Abstraction is a feature in which only essential
details of the object are shown and non-essential
details are ignored. Consider the example of a
car in a car the accelerator pedal steering wheel
and the break pedal are same of the main details
essential for driver so these essential details
are shown to the driver.This feature simply means
looking for what you want.
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5ENCAPULATION
-
- Encapsulation is a feature of hiding the
complexity at the data. Consider the example of a
car to stop the car we just apply the break and
we dont need the mechanism of breaking system
.The mechanism behind breaking is encapsulated
this features hides the implementations details
of an object and hence also called as data
hiding.
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6POLYMORPHISM
- The term polymorphism has been derived from
Greek words ploy and morphism which means
many and form respectively.
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7INHERITANCE
- Inheritances is features of creating a new class
with the properties of an existing class with the
properties of an existing class along with some
additional characteristics .Unique to the new
class for example. You inheritances some
characteristics like your appearance language and
certain behavior from your parents and also you
have some additional unique characteristics this
features is called inheritances. inheritances
thus allows responsibility of the code in C.
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8INPUT OUTPUT STATEMENT
- Input output standards for i/o the process of
sending the data to the computer is called as i/o
and the process of display the data is called as
output theltlt than and gtgt symbols used in the
program are called cascading operators these are
predefined opertors that are used for output and
input. - Cin with gtgtsymbol?for getting input from the
user. - Cout with ltlt symbol ?to display the output.
- gtgt?extraction operation get to.
- ltlt?insertion operation put to.
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9 Consider this program //sample
program// includeltiostream.hgt Void main() Int
number Coutltltenter the number Cingtgtnumber
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10C HAVING FOLLOWING KEYWORDS
Asm Catch Float Long Return
Auto Default Friend Overload Short
Break Do For New Sizeof
Case Delete Goto If Singed
Static Union Class Inline Else
Assigned Const Extern Opertors Protected
Continue Enum Integrin Register Template
This Char Void Try Type defn
Throw Double valuable public switch
Try While private struct virtual
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11CLASS
-
- A class is a similar to a structure data type
but it consist of not only data elements but also
function which are operated on data elements a
class is a way to bind data and its function
together.
- SYNTAX
- Class userdefined_name
-
- Private
- Data_type member
- Public
- Data_type member
- Member function
-
- The body a class is enclosed.
-
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