These methods are the most convenient to use in hibernate. These methods allow you to load all your Hibernate documents at a time. These methods simplify code configuration, refactoring, layout, etc. These functions help you to add your hibernate mapping to Hibernate initialization files.

As of my last knowledge update in January 2022, there is no standard or widely recognized addJar() or addDirectory() method in the core Java libraries or in the context of “Advanced Java.” However, these methods might be part of specific libraries, frameworks, or custom code developed by individuals or organizations.

If you are referring to these methods in the context of a specific framework or library, it would be helpful to provide more details about the context in which you are encountering them. For example, it’s possible that these methods are part of a custom class or a third-party library used in a specific project.

To get accurate information about these methods, you should refer to the documentation of the specific library or framework you are working with. Check the documentation or source code for details on how these methods are intended to be used, what parameters they accept, and what their intended functionality is.

If these methods are part of a library that has been released or updated after my last knowledge update, you may want to check the latest documentation or release notes for that library for the most accurate and up-to-date information.