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I just switched from Eclipse to IntelliJ. IntelliJ lacks one feature from Eclipse – when you put your mouse over a method, Eclipse shows javadoc info. I think the way to show it is to use a shortcut – command+J, but when I click it, I get something wrong as on the screen shot below. Please advise me on how I can quickly get javadoc information. I need to at least know what type a method returns.
Use
View| Quick Documentation or the corresponding keyboard shortcut(by default: Ctrl+Q on Windows/Linux
and F1 on macOS in the recent IDE versions, before was Ctrl+J).
Better ee the documentation for more information.
It’s also possible to enable automatic JavaDoc popup on explicit (invoked by a shortcut) code completion in
Settings|Editor|General|Code completion(Autopopup documentation):Yet another way to see the quick doc is on mouse move: