Package java.util.jar

Contents
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:
Since:
1.2

Document created the 11/06/2005, last modified the 04/03/2020
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