https://github.com/google/styleguide/blob/gh-pages/intellij-java-google-style.xmldownload this file and go to Intellij idea > Settings > Editor > Code Style > Java > Wheel (next to scheme) button > Import Scheme > Intellij idea code style xml > SELECT that downloaded file. Now choose the GoogleStyle as current scheme.

[Note: Other programming language coding style are also available in that Github repo. Also, coding styles for other IDE’s are available.]

Google style Java code formating