C++ String front()

This function is used to reference a first character of the string.

Syntax

Consider a string str. Syntax would be:

Parameter

This function does not contain any parameter.

Return value

It is used to return a reference of the first character.

Example 1

Let's see the simple example.

Output:

1

Example 2

Let's see an another simple example.

Output:

j

Example 3

Let's see a simple example to modify first character using front() function.

Output:

Hello World