C++ improvements #438

Job	Run time
Lint C++	18s
Lint Java	11s
Test with Python 3.8 on ubuntu-latest	1m 8s
Test with Java 11 on ubuntu-latest	1m 7s
Test with Python 3.8 on windows-latest	54s
Test with Java 17 on ubuntu-latest	1m 8s
Test with Python 3.8 on macos-12	59s
Test with Java 11 on windows-latest	1m 15s
Test with Java 17 on windows-latest	54s
Test with Java 11 on macos-12	1m 5s
Build JAR with on ubuntu-latest	1m 8s
Test with Java 17 on macos-12	59s
Build JAR with on windows-latest	55s
Build JAR with on macos-12	59s
Run benchmarks on ubuntu-latest	1m 7s
Test C++ on ubuntu-latest	9s
Test with Java ${{ matrix.java-version }} + Address Sanitizer	0s
Test C++ on windows-latest	46s
Test C++ on macos-12	21s
Test with Python 3.8 + Address Sanitizer	1m 6s
Combine JARs	1s
Upload to Maven Central	1s
Build wheel for ${{ matrix.build }}	1s
Upload wheels to PyPI	1s
	16m 33s

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