What is the size of the object in java

Question

As we all know that java uses the following data types

byte    Occupy 8 bits in memory
short   Occupy 16 bits in memory
int     Occupy 32 bits in memory
long         


        

Answer 1

Hard to say that will be the size of obj in memory, type size indication help the developers but actually in the memory it's a bit different. I advise you to read this article, it's really interesting.