Table of Contents

Must Install

File -> Settings -> Editor -> Code Style -> Java -> Imports. Ensure there is no package in the table "Packages to use Imports with . ". If there are, remove them. Change the values in the fields for "Class count to use import with . " and "Names count to use import with .* " to 999
File -> Settings -> Editor -> Code Style -> Java -> Wrapping and Braces -> Braces placement -> In method declaration -> Next line
File -> Settings -> Editor -> Code Style -> Java -> Wrapping and Braces -> Braces placement -> In class declaration -> Next line

CheckStyle-IDEA
Codota
Rainbow Brackets Plugin - tried and does not look obvious as compared to a similar plugin in VSC