How to modify the character encoding in idea?

To modify the character encoding of an idea, you can follow the steps below:

1. Open idea, click on the “File” in the menu bar, then select “Settings” (or use the shortcut Ctrl + Alt + S).
2. In the pop-up “Settings” window, choose “File Encodings” under “Editor”.
3. In the “File Encodings” window, locate the “IDE Encoding” option. Choose the appropriate encoding based on the character set you need to modify.
4. Under “Project Encoding,” you can choose to use different character set encodings to read and save project files.
5. You can select the default encoding for properties files under “Default encoding for properties files.”
6. After modifying the character encoding, click the “OK” button to save the settings.
7. Reopen or reload the project to ensure that the changes in character encoding take effect.

Note: Changing the character encoding may impact existing code and files, so it is advisable to backup project files before making any modifications to prevent unforeseen issues.