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Difference between C and C++

C++ is an improvement over C. C and C++ use a completely different approach. The main focus in C is on procedures(functions) whereas in C++ basically Classes and Objects are used. Due to increasing need of data security, a data hiding feature was also added to C++ by using access specifiers. C supports user defined data types i.e. struct, but it was unable to support functions. The classes in C++ support this feature. Some of the main differences between C and C++ are:

S.No.

Feature

C

C++

1

Orientation

Procedure Oriented
(function-driven)

Object Oriented
(object-driven)

2

Encapsulation

Not Supported

Supported

3

Inheritance

Not Supported

Supported

4

Function Overloading

Not Supported

Supported

5

Access Specifier

only public; (data hiding not supported)

public, protected and private

6

Operator Overloading

Not Supported

Supported (except. .* :: ?: )

7

Input-Output Library

stdio.h

iostream.h

8

Input Statement

scanf

cin

9

Output Statement

Printf

cout

10

Approach

top-down

bottom-up

11

Reference Variables

Not Supported

Supported

12

Inline Functions

Not Supported

Supported

13

Passing to a function

Zero argument function can be called by passing arguments too

Zero argument function can’t be called by passing arguments

14

Type Casting

Constant is automatically elevated

Not elevated

 

kaliadevansh has written 15 articles

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