The meaning of cout in c language

cout is used in C to output data from the program to the console. Its syntax is cout<, and then use cout << "content" to output the data.

The meaning of cout in C

In the C programming language, cout is a predefined output stream Object that represents console output.

Purpose:

cout is used to output data from the program to the console or other output device. It allows developers to print information, results, or error messages at runtime.

Syntax:

cout << data;

Where:

• cout is the output stream object
• << is the insertion operation symbol, used to insert data into the output stream
• data is the data to be output (can be a string, number, variable, etc.)

Usage:

To use cout, you need to include the header file . Then, you can output the data using:

#include <iostream>

using namespace std;

int main() {
  int age = 25;
  string name = "John Doe";

  cout << "Age: " << age << "\n";
  cout << "Name: " << name;

  return 0;
}

Output:

<code>Age: 25
Name: John Doe</code>

The above is the detailed content of The meaning of cout in c language. For more information, please follow other related articles on the PHP Chinese website!