This experience is optional, do it only if you have extra time.
Questions? We have answers.
If you run into problems while doing this codelab, please post to the #codelab-questions channel in Discord.
For this experience, please go through the Null Safety codelab.
During the codelab, you should use the embedded DartPad environment to execute the examples.
Take your time, don’t rush, and make sure you understand every line of code and every sentence in this codelab! Do all of the requested coding! If you have questions or get stuck, post a message to our Discord server.
There is no required submission for this experience.