In this video, Nick Maiorano demonstrates how the JAR command-line tool can be used to version modules, and how it can set or override compile-time versions.
- The Jar Utility has also been enriched…with a few modulary-based options.…In JPMS class directories, can contain…the module-info class at the root.…Similarly, a jar file is considered to be modular…if it has a module-info class at its root,…and it can then be used within JPMS.…The relationship between modules and jar files is 1:1.…This means that jar files must contain only one module.…
I'm now going to build the application…and create a jar file for each module.…This command creates a jar file for…the move-in package and all other packages.…It's recommended to name the jar file after the module name.…The dash C option sets the mod's…com red 30 tech movement, as the root directory.…So, files in the jar will be relative to that directory.…This is important because the module-info class…must be at the root of the jar file.…
To run the application using jar files,…specify the jar directory in the…Java command line using the module path.…The jar files are all contained within the bin directory.…The module path specifies where to find…
Author
Nick Maiorano
Released
1/10/2018In this course, instructor Nick Maiorano breaks down this complexity by explaining what modularity is all about, how Java has adopted modularity and how to start using to build better quality applications.
- What is modularity?
- The five pillars of modularity
- Modularity in the real world
- JPMS concepts and syntax
- Designing and implementing a modular structure
- Dependencies
- Compiling, packaging and running modular applications
- Using the dependency checking tools
- Creating custom runtime images
- Managing backward compatibility with classes and modules
- Explicit, unnamed, and automatic modules
- JPMS tips and recommendations
Skill Level Intermediate
Duration
Views
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Introduction
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Welcome42s
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1. Introduction to Modularity
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Introduction2m 39s
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What is modularity?3m 21s
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Real-world modularity3m 38s
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2. Java Modularity through the Ages
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Modularity from Java 1 to 82m 48s
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New modularity artifacts3m 57s
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New modularity syntax3m 47s
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3. Building Modular Applications with Java
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Transitive dependencies4m 50s
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Qualified dependencies5m 37s
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Service dependencies2m 29s
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Service dependencies demo3m 21s
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Optional dependencies5m 52s
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Runtime dependencies5m 52s
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4. Tools and Strategies
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Build tools4m 20s
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JAR file versioning1m 59s
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Dependency checking tools3m 45s
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Module packaging tools3m 6s
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Custom image building tools3m 24s
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Tips and thoughts5m 55s
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Conclusion
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Next steps27s
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Video: JAR file versioning