Best practice for getting datatype size(sizeof) in Java

Question

I want store a list of doubles and ints to a ByteBuffer, which asks for a size to allocate. I\'d like to write something like C\'s syntax

int size=numDouble*size         


        

Answer 1

A better solution might be to not emulate C syntax and use an ObjectOutputStream with a nested ByteArrayOutputStream to generate a byte array which can then be written to your ByteBuffer.