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Java™ Platform
Standard Ed. 6

Package 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.

See:
          Description

Interface Summary
Pack200.PackerThe packer engine applies various transformations to the input JAR file, making the pack stream highly compressible by a compressor such as gzip or zip.
Pack200.UnpackerThe unpacker engine converts the packed stream to a JAR file.
 

Class Summary
AttributesThe Attributes class maps Manifest attribute names to associated string values.
Attributes.NameThe Attributes.Name class represents an attribute name stored in this Map.
JarEntryThis class is used to represent a JAR file entry.
JarFileThe JarFile class is used to read the contents of a jar file from any file that can be opened with java.io.RandomAccessFile.
JarInputStreamThe JarInputStream class is used to read the contents of a JAR file from any input stream.
JarOutputStreamThe JarOutputStream class is used to write the contents of a JAR file to any output stream.
ManifestThe Manifest class is used to maintain Manifest entry names and their associated Attributes.
Pack200Transforms a JAR file to or from a packed stream in Pack200 format.
 

Exception Summary
JarExceptionSignals that an error of some sort has occurred while reading from or writing to a JAR file.
 

Package java.util.jar Description

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. The manifest stores meta-information about the JAR file contents and is also used for signing JAR files.

Package Specification

The java.util.jar package is based on the following specifications:

Since:
1.2

Java™ Platform
Standard Ed. 6

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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2006 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.

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