Refactor to use jpype #16

Job	Run time
ci / Build	5m 40s
ci / Lint	57s
ci / Test (0)	6h 0m 2s
ci / Test (1)	6h 0m 2s
ci / Test (2)	6h 0m 3s
ci / Test (3)	6h 0m 2s
ci / Test (4)	6h 0m 1s
ci / Test (5)	6h 0m 2s
ci / Test (6)	6h 0m 1s
ci / Test (7)	6h 0m 2s
ci / Test (8)	6h 0m 4s
ci / Test (9)	6h 0m 2s
ci / Publish Unit Tests Results	1s
	2d 12h 6m 59s

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