jvm heap setting pattern

Question

I have observed while setting heap size people prefer the values 64,128,256,1024.. . If I give a value in- between these numbers (say 500), won't the JVM accept that value? Why these numbers are important and preferred? Why we also upgrade RAM in this pattern?

Please help me to understand.

Answer 1

JVM will accept any value, no problem with that. Using 2^n values is just a "convention", using others will have no negative effect in practice.