W3cubDocs

/OpenJDK 21

Package java.util.jar

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. 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
External Specifications
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.
JarException
Signals that an error of some sort has occurred while reading from or writing to a JAR file.
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, which extends ZipInputStream, is used to read the contents of a JAR file from an 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.

© 1993, 2023, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/util/jar/package-summary.html