Either way we get the string property we wanted from .property files. So what's the difference between Config.getString() and configurationService.getConfiguration().getString() in hybris platform?
And as another question;
if we getString() a property which exists in both project.properties and local.properies with different values, which one do we get?
I haven't compared the difference between the two, but ConfigurationService is preferred, as a best practice.
From Example of a Code Review Checklist:
Configuration - Use the ConfigurationService interface rather than the de.hybris.platform.util.Config object.