C++ Vector pop_back()

It deletes the last element and reduces the size of the vector by one.

Syntax

Consider a vector v.Syntax would be:

Parameter

It does not contain any parameter.

Return value

It does not return any value.

The following illustration show how pop_back() function works :

This illustration shows how last element of the vector is deleted using pop_back() function.

Example

Let's see a simple example.

Output:

Initial string is :welcome to javaTpoint tutorial 
After deleting last string, string is :welcome to javaTpoint

In this example, last string is being removed using pop_back() function.