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by agilob 1 day ago
> Integers from -127 <-> 127

The cache can be extended on startup with env var `java.lang.Integer.IntegerCache.high `

https://github.com/openjdk/jdk/blob/cc278dbb8a1ca0754d584270...

1 comments

That is a nice piece piece of knowledge! We have an Integer cache in our product, and the only reason that it hangs around is that it caches 0..1024 instead of -127..128. By setting this value, we could simplify our code, ever so slightly.