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## 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

Class Summary
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.

Exception Summary
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.zip` package is based on the following specifications:

- Info-ZIP file format - The JAR format is based on the Info-ZIP file format. See java.util.zip package description.

- Manifest and Signature Specification - The manifest format specification.

Since:
  1.2

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Java is a trademark or registred trademark of Sun Microsystems, Inc. in the US and other countries.
Copyright 1993-2000 Sun Microsystems, Inc. 901 San Antonio Road,
Palo, Alto, California, 94303, U.S.A All Rights Reserved. < /font >