cin statement in C++ | Read input in C++
cin stands for console input. cin statement in C++ is used to read input from keyboard. cin is an instance of the istream
It can be used to read value of a variable.
It is followed by extraction operator (>>) followed by a variable whose value you want to read.
The header file required is <iostream>. You also need to use std namespace use cin statement.
Syntax:
cin>>val;
Here, val refers to the variable whose value you want to read .
//Program to demonstrate the use of cin statement.
#include<iostream>
using namespace std;
int main()
{
int i;
double d;
char c;
cout<<"Enter an int value=";
cin>>i;
cout<<"Enter a double value=";
cin>>d;
cout<<"Enter a char value=";
cin>>c;
cout<<"\nint value="<<i;
cout<<"\ndouble value="<<d;
cout<<"\nchar value="<<c;
return 0;
}
Output
Enter an int value=45 Enter a double type value=5.85 Enter a character value=* int value=455 double value=5.85 char value=*