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Input in C++

Last Updated : 01 Feb, 2021
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The cin object in C++ is used to accept the input from the standard input device i.e., keyboard. it is the instance of the class istream. It is associated with the standard C input stream stdin. The extraction operator(>>) is used along with the object cin for reading inputs. The extraction operator extracts the data from the object cin which is entered using the keyboard.

Program 1:

Below is the C++ program to implement cin object to take input from the user:

C++ 
// C++ program to demonstrate the
// cin object
#include <iostream>
using namespace std;

// Driver Code
int main()
{
    int i;

    // Take input using cin
    cin >> i;

    // Print output
    cout << i;

    return 0;
}

Input:

Output:

Note: Multiple inputs can also be taken using the extraction operators(>>) with cin.

Program 2:

Below is the C++ program to implement multiple inputs from the user:

C++ 
// C++ program to demonstrate the taking
// multiple inputs from the user
#include <iostream>
using namespace std;

// Driver Code
int main()
{
    string name;
    int age;

    // Take multiple input using cin
    cin >> name >> age;

    // Print output
    cout << "Name : " << name << endl;
    cout << "Age : " << age << endl;

    return 0;
}

Input:

Output:


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