kristofer/JavaExercism: lots of exercises in java... from https://github.com/exercism/java

lots of exercises in java... from https://github.com/exercism/java

redshirt4 ef200ce99d Remove starter implementations (#681) Removed starter implementations for exercises 21 and beyond, according to POLICIES.md.		9 lat temu
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example/java	Polish example rectangles implementation	9 lat temu
main/java	Remove starter implementations (#681)	9 lat temu
test/java	Merge pull request #591 from morrme/rectangles-remove-final	9 lat temu