C++ String begin()

This function gives a reference to the first element.

Syntax

Consider a string 's' and iterator 'it'. Syntax would be:

Parameter

This function does not contain any parameter.

Return value

This function does not return any value.

Example 1

Let's see the simple example of begin() function.

Output:

H

This example shows how to get the first character of string using begin() function.

Example 2

Let's see the another example.

Output:

C language

This example shows how to replace the first character of string using begin function.

Example 3

Let's see simple example of array class to apply begin() function.

Output:

123456

In this example, array of integers have been iterated using begin function.