string front() in C++

front(): It returns a read/write reference to the data at the first 

element of the string.

Parameters: No parameters are required for this function.

Syntax:

str.front()

For Example:

str = "abc"

str.front() = >It points to the first character (i.e a)

Approach

C++

#include <bits/stdc++.h>
using namespace std;

int main()
{
    string str = "abc";

    cout << str.front() << "\n";

    return 0;
}