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Java™ Platform
Standard Ed. 7

DRAFT ea-b118

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
Interface Description
Pack200.Packer The 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.Unpacker The unpacker engine converts the packed stream to a JAR file.
 

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

Exception Summary
Exception Description
JarException Signals 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: For overviews, tutorials, examples, guides, and tool documentation, please see: -->

Since:
1.2

Java™ Platform
Standard Ed. 7

DRAFT ea-b118

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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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DRAFT ea-b118

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