If you need to localize Java software, here is the easy way to translate your .properties files with POEditor:
1. Create translation project
Login to your account, create a new translation project and add a language to it.
2. Import Java properties file
Use the Options Menu in the project page to import your properties file, with translations in the language you created.
3. Set reference language
Go to Project Settings and set this language as a Default Reference Language.
4. Start localization
Add your desired languages for translation, invite your contributors to join and start localizing your java files.
The final step in your Java localization process is the export. You can export each language file with our po editor, using the the Export function from Options Menu from the language page.