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
Thejava.util.jar 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.
In JAR files, all file names must be encoded in the UTF-8 encoding.
- Manifest and Signature Specification - The manifest format specification.
- 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. |
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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
