lots of exercises in java... from https://github.com/exercism/java
Frida Tveit 7975530e96 rotational-cipher: estimate and tidy vor 9 Jahren
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example/java rotational-cipher: estimate and tidy vor 9 Jahren
main/java Rotational Cipher add to track vor 9 Jahren
test/java rotational-cipher: estimate and tidy vor 9 Jahren