How can I create a properties file for an idea?

You can create a properties file by following these steps:

1. Open a text editor such as Notepad++ or Sublime Text.
2. Create a new blank file in the editor.
3. key1 is equal to value1, key2 is equal to value2, key3 is equal to value3
4. After finishing writing all the key-value pairs, save the file. When saving, you can choose to name the file with a “.properties” extension, such as “config.properties”.
5. Ensure that the encoding format of the file is UTF-8 to ensure that Chinese characters in the file are displayed correctly.
6. You have now successfully created a properties file that can be used in the program to read and set configuration information.