C Vs C++

C	C++
It is a structural or procedural programming language.	It is an object-oriented programming language.
Emphasis is on procedure or steps to solve any problem.	Emphasis is on objects rather than procedure.
Functions are the fundamental building blocks.	Objects are the fundamental building blocks.
It follows top down approach.	It follows bottom up approach.
In C, data is not secured.	In C++, data is secured.
It uses scanf () and printf () function for standard input and output.	It uses cin >> and cout << function for standard input and output.
Variables must be defined at the beginning in the function.	Variables can be defined anywhere in the function.
Memory management operators available in C are malloc, calloc etc.	Better dynamic memory management operators available in C++ are new, delete etc.
In C, namespace feature is absent.	In C++, namespace feature is present.
C is a middle-level language.	C++ is a high-level language.
Programs are divided into modules and functions.	Programs are divided into classes and functions.
C program files are saved with .c extension.	C++ program files are saved with .cpp extension.
"stdio.h" - header file is used.	"iostream.h" – header file is used.
main () should not return a value.	main () should return a value.
Features like function overloading and operator overloading are not present.	It supports function overloading and operator overloading.
The concept of polymorphism is absent.	The concept of polymorphism is present.
The concept of inheritance is absent.	The concept of inheritance is present.