This repo has katas (exercises) dedicated to JDK tools such as javac, java, jar usage.
./class-path-part contains 3 katas focused on class path approach. All details can be found in the article, Javac & Java Katas, Part 1: Class Path.
./module-path-part contains the same 3 katas focused on module path approach. For more details see the article, Javac & Java Katas, Part 2: Module Path.