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jigsaw-examples

Examples from http://openjdk.java.net/projects/jigsaw/quick-start, following Maven standards.

Examples here:

  1. 1-greetings: basic exaple on how to create a modular application that supports one module per project. This does not follow the practices based on Oracle documentation on how to create a modular application,
  2. 2-greetings-world-1: example with two modules, to show one way to create modules that it is hard to deal with dependencies between modules,
  3. 3-greetings-world-2: here I am trying to put two modules declarations in one file (it does not work),
  4. 4-greetings-world-3: one of my favorite versions of greetings-world, from the examples,
  5. 5-greetings-world-4: deliberatedly provoked conflict between modules with the same name and how to circumvent the issue,
  6. 6-nested-modules: nested modules layot tryout, showing its shortcomings as a project layout,
  7. 7-alternative-to-nested-modules: an alternative for a nested modules project layout, which is easier to compile,
  8. 8-packaging: example on how to package a modularized application.
  9. 9-jmod-jlink: example on how to use jmod and jlink to run a modularized application. This example also adds a Dockerfile for an isolated test.
  10. 10-exploring-jmod: further exploration on jmod command.

My favorite way to organize a multi-module project and build it by hand

This is my favorite way to organize a multi-module project because it gives less headaches when maintaining, compiling, and running the modularized application.

Suppose we have two modules with names 'my.first.module' and 'my.second.module'. The folder structure for a modular project should be something like:

  • src/main/java

    • my.first.module

      • module-info.java
      • my/first/module/(all the packages and classes go here)

    • my.second.module

      • module-info.java
      • my/second/module/(all the packages and classes go here)