C++ Input Statement

cin object of iostream is used to get input from console device (keyboard). It is read as (see-in). cin is always used with extraction operator >>. Each cin statement must ends with semicolon.

Syntax of cin statement

Syntax of cin statement is as.

cin >> variable ;

cin

cin is the object name from istream class. Which is part of iostream.

>> (Extraction Operator)

 Extraction operator is used with cin object object it can be used multiple times with single cin object.

Variable

Variable is used used to save data/values which may change during program execution. cin object get input from console device (keyboard) and save it in provided keyboard.

Example of cin Statement with single insertion operator.

#include<iostream>
using namespace std;

int main() {

   int a,b;

   //displaying message for taking input.
   cout<<"Provide First Input:";
   cin>>a;
   cout<<"Provide Second Input:";
   cin>>b;
   
   // printing value of input.
   cout<<a<<b;
   
   return 0;
}

Example of cin Statement with multiple insertion operator.

#include<iostream>
using namespace std;

int main() {

   int a,b;

   //displaying message for taking input.
   cout<<"Provide First and Second Input:";
   cin>>a>>b;
   
   // printing value of input.
   cout<<a<<b;
   
   return 0;
}