lots of exercises in java... from https://github.com/exercism/java
Bastien FAUCHART 6dd6ed60f1 isogram : add to track (#311) 9 lat temu
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example/java isogram : add to track (#311) 9 lat temu
main/java isogram : add to track (#311) 9 lat temu
test/java isogram : add to track (#311) 9 lat temu