Intellij IDEA Shortcuts – System.out.println shortcut

https://mkyong.com/intellij/intellij-idea-system-out-println-shortcut/

In IDEA, you can type sout and press Tab to generate System.out.println automatically.

https://intellij-support.jetbrains.com/hc/en-us/community/posts/206274579-How-to-quickly-view-method-signature-

https://mkyong.com/intellij/intellij-idea-how-to-show-method-signature/#:~:text=In%20IDEA%2C%20clicks%20on%20the,to%20show%20the%20available%20parameters.

Show Signature

Ctrl-Q (Quick Javadoc) or, within the parenthesis of the method, Ctrl-P (Show Parameters).