Curated, ordered collections of resources you can go through in a sitting.

Java 17
Get up to speed on Java 17 with our top tips.
Top Shortcuts
Our handpicked top shortcuts
IntelliJ IDEA 2021.1
Tips to get you productive with the new or improved features in IntelliJ IDEA 2021.1
Search Everywhere
Tips for using Search Everywhere (Shift+Shift)
Moving Through Your Code
Tips for moving through and navigating your code base
Getting Started with IntelliJ IDEA
Tips for getting started with IntelliJ IDEA
Java 16
Get up to speed on Java 16 with our top tips.