how to remove the vertical line in InteliJ IDEA?

Question

I open my IntelliJ IDEA which is 2021.01 version, and got a vertical line in the middle, and I want to know how to remove it?

Here is the screenshot of the vertical line which is in the red frame.

Answer 1

This is a visual indicator showing you your line-wrapping. You can deactivate it by going to Settings (Preferences on macOS) | Editor | General | Appearance and unticking Show hard wrap and visual guides