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

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

Alessandro Baffa 912013d9a6 Remove Guava and use JUnit assert (#170) * remove Guava and use JUnit assert * reassign old to Collection.unmodifiable * reassign variable expected		9 anni fa
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src	Remove Guava and use JUnit assert (#170)	9 anni fa
build.gradle	Standardize on JUnit 4.12	10 anni fa