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.
java.util.jarpackage is based on the following specifications:
PackageDescriptionContains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.
ClassDescriptionThe Attributes class maps Manifest attribute names to associated string values.The Attributes.Name class represents an attribute name stored in this Map.This class is used to represent a JAR file entry.The
JarFileclass is used to read the contents of a jar file from any file that can be opened with
JarInputStreamclass is used to read the contents of a JAR file from any input stream.The
JarOutputStreamclass 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 associated Attributes.
ExceptionDescriptionSignals that an error of some sort has occurred while reading from or writing to a JAR file.