Item	% of partially implemented	% of fully implemented
java.io	61	43
java.lang	76	50
java.lang.annotation	41	33
java.lang.invoke	42	15
java.lang.ref	66	50
java.lang.reflect	35	9
java.math	100	50
java.net	18	12
java.nio	92	35
java.nio.channels	15	15
java.nio.charset	100	58
java.nio.file	15	15
java.security	14	9
java.text	64	40
java.time	94	63
java.time.chrono	100	66
java.time.format	100	75
java.time.temporal	100	75
java.time.zone	100	80
java.util	86	64
java.util.concurrent	21	13
java.util.concurrent.atomic	43	18
java.util.function	100	100
java.util.jar	100	71
java.util.logging	29	0
java.util.random	50	0
java.util.regex	100	50
java.util.stream	100	25
java.util.zip	80	28