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Introduction to c++ | C++ Concept PDF

Introduction To C++  Concept Step By Step PDF.Learn c++  interview Questions.C++ Types. C++ History.c++ for beginners.

What Is c++

C++ is a multi-paradigm programming language that is supporting object oriented programming (OOP)

Difference Between c and C++

c

c++

C is Procedural Language C++ is non-Procedural i.e. Object oriented Language
Top down approach is used in Program Design Bottom up approach adopted in Program Design
Multiple Declaration of global variables are allowed Multiple Declaration of global variables are not allowed
C requires all the variables to be defined at the starting of a scope C++ allows the declaration of variable anywhere in the scope i.e. at time of its First use
In C, malloc () and calloc () Functions are used for Memory Allocation and free () function for memory Deallocating In C++, new and delete operators are used for Memory Allocating and Deallocating

 

USES OF C++ LANGUAGE

  • C++ is used  develop computer software
  • main use of this language  create general system software

ADVANTAGE OF C++

  • C++ is relatively-low level as its a systems programming language.
  • It has  large community of users.
  • Re usability and readability

DISADVANTAGE OF C++

  • Data is global or local.
  • It emphasis on instructions bur not on data.
  • It can be generally heavy if not careful.
  • Data is global and global data does not have security.

 

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