I asked GPT 3.5 how to access the Unihan character database[0] using the ICU4J library[1]. GPT 3.5 suggested to use the `com.ibm.icu.util.Unihan` class. It actually doesn't exist, but after pointing that out to it, GPT showed me how to parse the raw database files.
[0]: https://www.unicode.org/charts/unihan.html
[1]: https://unicode-org.github.io/icu/userguide/icu4j/