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

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

Kyle Pu e22846c8fa robot-simulator: update tests (#1387) * Update version robot-simulator version file update * Update RobotTest.java Have only checked against canonical data up to the commented line. * Update RobotTest.java		6 lat temu
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src/reference/java	Restructure exercise directory	7 lat temu
version	robot-simulator: update tests (#1387)	6 lat temu