Explore the full potential of C++ by mastering the standard library.

Become a C++ Programmer

The C++ standard library is a collection of all the tools and utilities available in C++. It received its latest update in 2017, known as C++17. The update introduces many new features that further optimize our code. This module will help us fully grasp C++ and use it to its full potential.

C++ Standard Library

For a container `cont`, use `cont.empty()` to see if the container is empty. `cont.size()` returns the current number of elements, and `cont.max_size()` returns the maximum number of elements `cont` can have. The maximum number of elements is implementation defined.

Let's find out how we can check the size and capacity of C++ containers.


Size