Uses of Class

Packages that use FileNotFoundException
Provides for system input and output through data streams, serialization and the file system.
HTTP Client and WebSocket APIs
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.
A package of the Java Image I/O API dealing with low-level I/O from files and streams.
Contains classes and interfaces used by the JFileChooser component.