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

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

Mpatziakoudi Katerina 98b2e1af88 All-your-base: update version file (2.1.0 -> 2.3.0) and update one test (#1397)		8 lat temu
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main/java	Remove starter implementations (#681)	9 lat temu
test/java	All-your-base: update version file (2.1.0 -> 2.3.0) and update one test (#1397)	8 lat temu