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alisonatwork on April 11, 2021 | parent | context | favorite | on: The Kitten Programming Language

Java characters are 16 bit. Unfortunately many methods in the String API expect strings to be UCS-2 encoded, even though in practice nowadays they're UTF-16. But it's more complicated than that, especially since Java 9 which introduced compressed storage for strings that could fit into ISO-8859-1[0].

[0] https://openjdk.java.net/jeps/254

hn_throwaway_99 on April 11, 2021 [–]

Thanks for this! I stand corrected. The actual underlying storage switched from a char array to a byte array in Java 9:

https://dzone.com/articles/going-beyond-java-8-compact-strin...

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