Products J2ObjC Reference javax.net Provides classes for networking applications. These classes include factories for creating sockets. Using socket factories you can encapsulate socket creation and configuration behavior. Classes ServerSocketFactory This class creates server sockets. SocketFactory This class creates sockets. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 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 March 19, 2019.