Run me mvn clean package && java -jar target/benchmark-0.0.1-SNAPSHOT-jar-with-dependencies.jar
Result
Benchmark Mode Cnt Score Error Units
CapitalizeRunner.bench_old_new_regex avgt 5 9957,313 ± 183,159 ns/op
CapitalizeRunner.bench_old_way avgt 5 15945,474 ± 197,439 ns/op
CapitalizeRunner.trully_capitalize avgt 5 2425,971 ± 37,244 ns/op