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 is based on the following specifications:
||The Attributes class maps Manifest attribute names to associated string
||The Attributes.Name class represents an attribute name stored in
||This class is used to represent a JAR file entry.
JarFile class is used to read the contents of a jar file
from any file that can be opened with
JarInputStream class is used to read the contents of
a JAR file from any input stream.
JarOutputStream class is used to write the contents
of a JAR file to any output stream.
||The Manifest class is used to maintain Manifest entry names and their
||Signals that an error of some sort has occurred while reading from
or writing to a JAR file.