IntelliJ IDEA is an integrated development environment (IDE) written in Java for developing computer software.
IDE - is a software application that provides comprehensive facilities to computer programmers for software development. An IDE normally consists of at least a source code editor, build automation tools and a debugger
https://en.wikipedia.org/wiki/Integrated_development_environment
https://www.jetbrains.com/help/idea/auto-completing-code.html
https://www.jetbrains.com/help/idea/searching-everywhere.html
https://blog.jetbrains.com/idea/2020/03/top-15-intellij-idea-shortcuts/
https://ruleoftech.com/files/2015/01/idea_keymap_2015-01-20_131810.png
https://pbs.twimg.com/media/EEWevDeWkAYrdlp.jpg
By Bogdan Posa