Stay organized with collections Save and categorize content based on your preferences.
java.util.jar
Interfaces
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. |
Unpacker | The unpacker engine converts the packed stream to a JAR file. |
Classes
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 . |
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. |
Exceptions
JarException | Signals that an error of some sort has occurred while reading from or writing to a JAR file. |
Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
Last updated 2025-02-10 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-10 UTC."],[],[]]