Uses of Package
java.util.jar

Packages that use java.util.jar

java.lang.instrument	Provides services that allow Java programming language agents to instrument programs running on the JVM.
java.net	Provides the classes for implementing networking applications.
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.

Classes in java.util.jar used by java.lang.instrument

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.

Classes in java.util.jar used by java.net

Attributes
The Attributes class maps Manifest attribute names to associated string values.

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.

Manifest
The Manifest class is used to maintain Manifest entry names and their associated Attributes.

Classes in java.util.jar used by java.util.jar

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.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.