In order to make the Examples, you will need these tools:
You can use Postman for sending Http-request to your REST API, so that you can test if it works or not.
quick-keys saves time, so it is usefull to learn to use them.
Below keys are common for allmost all editors:
More VS Code keys https://code.visualstudio.com/shortcuts/keyboard-shortcuts-windows.pdf
When you install Vs Code choose those options which is chosen in below image
In order to be able to write code quickly, you should learn avoid using your mouse. Here is a couple of articles about that: