This video is a visual representation of replacing any word with other words in an IntelliJ IDE project.
Replacing a piece of text in all the files within the specified path do one of the following:
1. On the main menu, choose Edit | Find | Replace in Path
2. Press Ctrl + Shift + R
1. Then you click Replace in the Replace in Path dialog box.
2. Then you need to click the Replace All button in that window.
3. Then a new dialog box pops up where you need to click the Replace button yet again.
And if you are using Eclipse keymap for IntelliJ then you can use Ctrl + H. Art of Learning video.