Have you ever come across the SAP ABAP Training transaction ABAPDOCU? If not, you’ve got to check it out.
It’s a great tool to use when you need a quick refresh of ABAP syntax or need to look a little more in-depth on how certain code constructs work.
Just use the navigation menu within the transaction ABADOCU itself to select the type of ABAP code you are interested in.
Here’s a quick video to show you exactly how it works.