Uses of Interface

Packages that use Appendable
Provides for system input and output through data streams, serialization and the file system.
Provides classes that are fundamental to the design of the Java programming language.
Defines buffers, which are containers for data, and provides an overview of the other NIO packages.
Provides classes and interfaces for supporting the server side of RMI.
Provides classes to print and parse dates and times.
Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.