Uses of Class
com.google.common.base.Optional

Packages that use Optional
Package
Description
Basic utility libraries and interfaces.
Collection interfaces and implementations, and other utilities for collections.
An API for representing graph (node and edge) data.
Utility methods and classes for I/O; for example input streams, output streams, readers, writers, and files.
Utility methods and classes for networking (such as IP addresses and domain names).
Testing utilities.