Thanks, I've mostly used fastutil lately because it seems to be best maintained. I'll have to look at carrotsearch labs though, I like the approach of a clean b

Thanks, I've mostly used fastutil lately because it seems to be best maintained. I'll have to look at carrotsearch labs though, I like the approach of a clean break with java.util.collections.*. The Agrona Java library from the Aeron people has some primitive optimized collections too: https://github.com/aeron-io/agrona https://github.com/aeron-io/agrona