The java.io Interfaces
The java.io package declares 10 interfaces. The DataInput and DataOutput interfaces provide methods that support machine-independent I/O. The ObjectInput and ObjectOutput interfaces extend DataInput and DataOutput to work with objects. The ObjectInputValidation interface supports the validation of objects that are read from a stream. The Serializable and Externalizable interfaces support the serialized writing of objects to streams. The FilenameFilter and FileFilter interfaces are used to select filenames from a list. The ObjectStreamConstants interface defines constants that serialize objects to and from streams.
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