While working on my Wordle solver, I found a trick for treating integers as little lists. To keep memory usage down, I decided to pack the 5 letter words into a 32 bit integer. I use 6 bits per letter, leaving the top bit as a zero. This allows doing some SIMD tricks without having to expand the nibbles later.
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One of the lesser known parts of Java is InterruptedException. With its vague-sounding name and non-committal Javadoc, few people are able to figure out what they need to do with it. Since I myself didn’t really grok it, I decided to put together a post explaining how interruption works. If you are looking for a more…