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© Kishori Sharan, Peter Späth 2021

K. Sharan, P. SpäthMore Java 17 https://doi.org/10.1007/978-1-4842-7135-3_12

12. Packaging Modules

Kishori Sharan¹ and Peter Späth²

(1)

Montgomery, AL, USA

(2)

Leipzig, Sachsen, Germany

In this chapter, you will learn:

Different formats for packaging Java modules
Enhancements to the JAR format
What a multi-release JAR is
How to create and use multi-release JARs
What the JMOD format is
How to use the jmod tool to work with JMOD files
How to create, extract, and describe JMOD files
How to list the contents of JMOD files
How to record hashes of modules in JMOD files for dependency validation

A module can be packaged in different formats to be used in three phases: compile time, link time, and runtime. Not all formats are supported ...

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