In this tutorial, we will learn about introduction to C++ language.

C++ runs on a variety of platforms, including Windows, Mac OS, and various UNIX versions. Stroustrup began working at Bell Labs in 1979. 
This C++ tutorial takes a straightforward and practical approach to explain C++ concepts for beginners to advanced users.

Why to Learn C++?

1. C++ is very close to the hardware, allowing us to work at a low level, giving us control over memory management as well as on-hardware better performance, and assisting us in becoming the best software developer.
2. C++ programming teaches us the fundamentals of Object-Oriented Programming.
3. When we implement virtuals table and pointer, or dynamic type identification, we will understand low-level polymorphism implementation.
4. C++ is a popular programming language used by millions of software developers.
5. If you are a great C++ programmer, you will never be idle and, more importantly, you will be well compensated for your efforts.
6. C++ is one of the most popular programming languages for application and system development.
7. C++ teaches you the differences between a compiler, a linker, and a loader, as well as different data types, storage classes, variable types, variable scopes, and so on.

Applications of C++ Programming

• Application Software Development
• Computation Programming
• Games Development
• Embedded System
• This list goes on, there are various areas where software developers are happily using C++ to provide great softwares.

What is Object-Oriented Programming in C++

• Encapsulation

Encapsulation, in general, is the process of enclosing similar code in a single location. In C++, we can group together data members and functions that perform the same function within a single class.

• Data hiding

Data hiding is a method of hiding internal object details, such as data members. It is a method of object-oriented programming. Data hiding ensures, or guarantees, that data access is restricted to class members. It ensures data integrity.

Data hiding is the practice of concealing internal data within a class in order to prevent direct access from outside the class.

• Inheritance

One of the best features of OOPS is inheritance in C++. Inheritance is the process by which existing class features can be used with a new class. It improves the concept of code re-use by allowing code to be reused after it has been written and other features to be added.

• Polymorphism

In C++, polymorphism means that the same entity (function or object) behaves differently in different situations. Consider the following example: When the “+” operator is used in numbers, it performs addition. When the “+” operator is used in strings, it performs subtraction.

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Difference between C and C++

• Dennis Ritchie created C at AT&T Bell Labs around 1969. Bjarne Stroustrup created C++ in 1979.
• C is a procedural programming language. C++ is a procedural as well as an object-oriented programming language.
• Because C does not support the OOPs concept, it does not support polymorphism; however, because C++ is an object-oriented programming language, it does support polymorphism, encapsulation, and inheritance.
• Because C does not support encapsulation, data behaves as if it were a free entity. C++ encapsulation hides data to ensure that data structures and operators are used as intended and can be manipulated by outside code.
• C is a function-driven language, whereas C++ is an object-driven language.

We hope that this article will assist you in understanding all about introduction to c++. We have concentrated on making a basic, meaningful, and easy-to-learn guide to the concepts. Still, if you have any problems regarding this, please post them in the comment section, we will be glad to assist you.

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