Send feedback App Engine Documentation Java Standard Environment Docs com.google.appengine.api.users (Google App Engine API for Java) com.google.appengine.api.users Interfaces IUserServiceFactory UserService Classes IUserServiceFactoryProvider User UserServiceFactory Exceptions UserServiceFailureException Was this page helpful? Let us know how we did: Send feedback Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated February 22, 2017.