What is C programming language?
C is middle-level programming language which was developed at Bell Lab in 1972 by Dennis Ritchie. C language combines the features of Low level as well as High-level Language. Hence its considered a middle-level Language.
C is a high-level classical type programming language that allows you to develop firmware and portable applications. The C language was developed with an objective of writing system software. It is an ideal language for developing firmware systems.
What is C++ programming language?
C++ is a computer programming language that contains the feature of C programming language as well as Simula67( a first object Oriented language). C++ introduced the concept of Class and Objects.
It encapsulates high and low-level language features. So, it is seen as an intermediate level language. Earlier it was called “C with classes” as it had all the properties of the C language.
C Vs. C++: Key Differences
|Basis of distinction
|It is a Procedural Oriented language.
|It is an Object-Oriented Programming language.
|C language follows Top Down programming approach
|C++ follow bottom-up programming approach.
|The file extension of a C program is .c
|The file extension of a c+ + program language is.cpp
|In C programming language, a big program code is divided into small pieces which is called functions.
|In C++ programming language, a big program code is divided into Objects and Classes.
|Structure in C not provide the feature of function declaration.
|Structure in C++ provides the feature of declaring a function as a member function of the structure.
|It does not allow inline function.
|It supports inline function.
|Standard I/O operations
|In C scan and printf are used for the standard input and output
|In C++ cin» and cout« are given for standard input and output operations.
|In C language the data is not secured.
|Data is secure, so it can’t be accessed by external functions. (Using Encapsulation concept of OOPs)
|Ease of Coding
|C is an older programming language that is described as Hands-on. In this language, you must tell the program to do everything. Moreover, this language will let you do almost anything.
|C++ is an extension language of C. It allows for the highly controlled object-oriented code.
|Compatibility with other languages
|C is not compatible with another language.
|C++ is compatible with the other generic programming languages.
|C supports only Pointers.
|C++ supports both pointers and references.
|In C, the variable should be defined at the beginning of the program.
|C++ allows you to declare variables anywhere in the function.
|Point of Focus
|C focuses on the steps or procedures that are followed to solve a problem.
|C++ emphasizes the objects and not the steps or procedures. It has higher abstraction level.
|C does not allow you to use function overloading.
|C++ allows you to use function overloading.
|C language does not allows you to declare String or Boolean data types. It supports built-in and primitive data types.
|C++ supports String and Boolean data types.
|C does not support Exception Handling. However, it can be performed using some workarounds.
|C++ supports Exception handling. Moreover, this operation can be performed using try and catch block.
|Does not allows functions with default arrangements
|Allow functions with default arrangements.
|It is absent in C language.
|It is present in the C++ language.
|Free-format program source code.
|Originally developed from the C programming language.
|C is a subset of C++. It cannot run C++ code.
|C++ is a superset of C. C++ can run most of C code while C cannot run C++ code.
|Focuses on method or process instead of data.
|Focuses on data instead of method or procedure.
|Does not support encapsulation. As Data and functions are separate and free entities.
|Supports encapsulation. Data and functions are encapsulated together as an object.
|C does not support information hiding. In this language, data are free entities and can be changed outside code.
|Encapsulation hides the data. So that data structures and operators are used as per intention.
|C provide malloc() and calloc() functions for dynamic memory allocation.
|C++ provides a new operator for this purpose.
|Supports built-in data types.
|Supports built-in & user-defined data types.
|Allows Multiple Declaration of global variables.
|Multiple Declaration of global variables are not allowed.
|Concept of Mapping
|The mapping between Data and Function is very complicated.
|The mapping between Data and Function can be easily established using “Classes and Objects.”
|Inheritance is not supported C
|Inheritance is possible in C++ language.
|Default header file
|C used stdio.h header file.
|C++ uses iosteam.h as default header file.
|The concept of virtual Functions are present in C.
|The concept of virtual Function is not used in C++.
|Contain 32 keywords.
|Contains 52 keywords.
|In C. Polymorphism is not possible
|The concept of polymorphism is used in C++. Polymorphism is one of the most Important Features of OOPS.
|C language offers GTK tool for GUI programming
|C++ supports Qt tools for GUIprogramming
- C is a Procedural Oriented language, whereas C++ is an Object-Oriented Programming language.
- C supports only Pointers whereas C++ supports both pointers and references.
- C does not allow you to use function overloading whereas C++ allows you to use function overloading.
- C supports built-in data types whereas C++ supports built-in as well as user-defined data types.
- C language follows the Top-Down programming approach whereas C++ follows a bottom-up programming approach.
- C scan and printf are used for the standard input and output while in C++, cin and cout are given for standard input and output operations.
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