Is Deprecated as of Api?
Using the @Deprecated Annotation to Deprecate a Class, Method, or Field Ensures That All Compilers Will Issue Warnings When Code Uses That Program Element...
Using the @Deprecated annotation to deprecate a class, method, or field ensures that all compilers will issue warnings when code uses that program element. ... As developer of an API, it is your responsibility to deprecate overrides of a deprecated method, if in fact they should be deprecated.
What is deprecation of API?
A deprecated API is one that you are no longer recommended to use, due to changes in the API. While deprecated classes, methods, and fields are still implemented, they may be removed in future implementations, so you should not use them in new code, and if possible rewrite old code not to use them.
Which API is deprecated now?
acl API has been deprecated. The classes in this package should no longer be used.