Update Java docs. #196

Job	Run time
Build JAR with on ubuntu-latest	41s
Build JAR with on windows-latest	30s
Test with Java 11 on ubuntu-latest	42s
Lint Java	22s
Build JAR with on macos-12	24s
Lint C++	25s
Test with Java 17 on ubuntu-latest	44s
Test with Java 11 on windows-latest	28s
Test with Java 17 on windows-latest	27s
Test with Python 3.8 on ubuntu-latest	34s
Test with Python 3.8 + Address Sanitizer	32s
Test with Java 11 on macos-12	24s
Test with Python 3.8 on windows-latest	28s
Test with Java 17 on macos-12	25s
Test with Python 3.8 on macos-12	33s
Build wheel for ${{ matrix.build }}	1s
Upload wheels to PyPI	1s
Combine JARs	1s
Upload to Maven Central	1s
	7m 43s

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