In this tutorial, you will learn about the difference between C and C++ language i.e. C vs. C++. It is one of the most commonly asked questions in technical interviews.
C programming language was developed by Dennis Ritchie in the year 1972 while C++ programming language was developed by Barnes Stroustrup in the year 1983. C++ is a superset of C and contains all the features of the C language. Still, there are some differences between C and C++. Below I have shared the main differences between these two programming languages.
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S. No.
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C
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C++
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1
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C is a structural or procedural programming language.
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C++ is an object oriented programming language.
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2
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Emphasis is on procedure or steps to solve any problem.
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Emphasis is on objects rather than procedure.
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3
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Functions are the fundamental building blocks.
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Objects are the fundamental building blocks.
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4
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In C, the data is not secured.
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Data is hidden and can’t be accessed by external functions.
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5
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C follows a top-down approach.
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C++ follows bottom-up approach
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6
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C uses scanf() and printf() function for standard input and output.
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C++ uses cin>> and cout<< for standard input and output.
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7
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Variables must be defined at the beginning of the function. Modern C compilers such as GCC support the C99 and C11 standards, which allow you to declare a variable anywhere.
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Variables can be defined anywhere in the function.
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8
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In C, The namespace feature is absent.
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In C++, The namespace feature is present.
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9
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C is a middle level language.
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C++ is a high level language.
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10
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Programs are divided into modules and functions.
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Programs are divided into classes and functions.
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11
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C doesn’t support exception handling directly. Can be done by using some other functions.
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C++ supports exception handling. Done by using try and catch block.
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12
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Features like function overloading and operator overloading is not present.
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C++ supports function overloading and operator overloading.
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13
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C program file is saved with. C extension.
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C++ program file is saved with .CPP extension.
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