| Package | Description | 
|---|---|
| org.apache.commons.io | 
This package defines utility classes for working with streams, readers,
writers and files. | 
| org.apache.commons.io.comparator | This package provides various  Comparatorimplementations
forFiles. | 
| org.apache.commons.io.file | This package provides extensions in the realm of java.nio.file. | 
| org.apache.commons.io.file.spi | This package provides extensions in the realm of java.nio.file.spi. | 
| org.apache.commons.io.filefilter | This package defines an interface (IOFileFilter) that combines both 
 FileFilterandFilenameFilter. | 
| org.apache.commons.io.function | 
This package defines IO-only related functional interfaces for lambda expressions and method references. | 
| org.apache.commons.io.input | 
This package provides implementations of input classes, such as
 InputStreamandReader. | 
| org.apache.commons.io.input.buffer | 
This package provides implementations of buffered input classes, such as
 CircularBufferInputStreamandPeekableInputStream. | 
| org.apache.commons.io.monitor | 
This package provides a component for monitoring file system events
(directory and file create, update and delete events). | 
| org.apache.commons.io.output | 
This package provides implementations of output classes, such as
 OutputStreamandWriter. | 
| org.apache.commons.io.serialization | 
This package provides a framework for controlling the deserialization of classes. | 
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