| Package | Description | 
|---|---|
| java.util.jar | 
 Provides classes for reading and writing the JAR (Java ARchive) file
format, which is based on the standard ZIP file format with an
optional manifest file. 
 | 
| java.util.zip | 
 Provides classes for reading and writing the standard ZIP and GZIP
file formats. 
 | 
| Class and Description | 
|---|
| DeflaterOutputStream
 This class implements an output stream filter for compressing data in
 the "deflate" compression format. 
 | 
| InflaterInputStream
 This class implements a stream filter for uncompressing data in the
 "deflate" compression format. 
 | 
| ZipEntry
 This class is used to represent a ZIP file entry. 
 | 
| ZipException
 Signals that a Zip exception of some sort has occurred. 
 | 
| ZipFile
 This class is used to read entries from a zip file. 
 | 
| ZipInputStream
 This class implements an input stream filter for reading files in the
 ZIP file format. 
 | 
| ZipOutputStream
 This class implements an output stream filter for writing files in the
 ZIP file format. 
 | 
| Class and Description | 
|---|
| Checksum
 An interface representing a data checksum. 
 | 
| CRC32
 A class that can be used to compute the CRC-32 of a data stream. 
 | 
| DataFormatException
 Signals that a data format error has occurred. 
 | 
| Deflater
 This class provides support for general purpose compression using the
 popular ZLIB compression library. 
 | 
| DeflaterOutputStream
 This class implements an output stream filter for compressing data in
 the "deflate" compression format. 
 | 
| Inflater
 This class provides support for general purpose decompression using the
 popular ZLIB compression library. 
 | 
| InflaterInputStream
 This class implements a stream filter for uncompressing data in the
 "deflate" compression format. 
 | 
| ZipEntry
 This class is used to represent a ZIP file entry. 
 | 
| ZipException
 Signals that a Zip exception of some sort has occurred. 
 | 
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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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