How to view JDK external documentation in IntelliJ IDEA?

Question

The shortcut for this action is Shift+F1 but it is always grayed out even I have pointed JDK documentation path to the docs folder (the docs folder

Answer 1

You can add the external Javadocs API link as shown below:

• Go to File > Project Structure...
• Then select SDKs (under Platform Settings)
• Go to Documentation Paths tab
• Select Specify URL button and add the link for JDK 11 API docs (https://docs.oracle.com/en/java/javase/11/docs/api/)