What is cin and cout in c?

cin is an object of the input stream and is used to take input from input streams like files, console, etc. cout is an object of the output stream that is used to show output. Basically, cin is an input statement while cout is an output statement. They also use different operators.

What does the c in CIN stand for?

character
The “c” in cin refers to “character” and “in” means “input”. Hence cin means “character input”. The cin object is used along with the extraction operator >> in order to receive a stream of characters.

What does c stand for in cout?

The “c” in cout refers to “character” and “out” means “output”. Hence cout means “character output”. The cout object is used along with the insertion operator << in order to display a stream of characters.

How do you use cin and cout together in C++?

Standard input stream (cin)

  1. #include
  2. using namespace std;
  3. int main( ) {
  4. int age;
  5. cout << “Enter your age: “;
  6. cin >> age;
  7. cout << “Your age is: ” << age << endl;
  8. }

Why Cout is used in C++?

The cout object in C++ is an object of class ostream. It is defined in iostream header file. It is used to display the output to the standard output device i.e. monitor. It is associated with the standard C output stream stdout.

Is std :: cout in C?

We use it by writing using namespace std; then we can access any of the objects like cout, cin….C++

S. No. cout std::cout
1. namespace std must be used in the program Without using namespace std, you should use std::cout.
2. cout is a predefine object of ostream class it is used to print the data as well as values

What is the purpose of CIN in C++?

The c++ cin statement is an instance of the class iostream and is used to read data from a standard input device, which is usually a keyboard.

Is cout a variable in C++?

This is usually done by “special variables” (objects) called input and output streams, cin and cout, and the insertion and extraction operators. These are defined in the header file called iostream.

What does cout stand for C++?

character output
cout stands for “character output”.

How do you use cin and cout in the same line?

You need to separate the expressions, separating them by either:

  1. a semicolon (Live Demo): int p1; cout << “Person 1:”; cin >> p1;
  2. the comma operator (Live Demo): int p1; cout << “Person 1:”, cin >> p1;

What is the function of CIN in C++?

Thus, cin means “character input”. The C++ cin object belongs to the istream class. It accepts input from a standard input device, such as a keyboard, and is linked to stdin, the regular C input source. For reading inputs, the extraction operator(>>) is combined with the object cin.