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

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

John S. Ryan d3b1cadd65 Adds missing "class" keyword in starter files. - Especially in the earlier exercises, let's make it one less error that folks need to track down. (fixes #54)		11 lat temu
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src	Adds missing "class" keyword in starter files.	11 lat temu
build.gradle	Move exercises out of subdirectory	12 lat temu
example.java	Move exercises out of subdirectory	12 lat temu