If objects aren't stored in stack then where?

Question

Are there anything stored in stack, other than objects, immediately when it is created or intantiated?

Answer 1

「ＨＡＰＰＹ ＴＯ ＨＥＬＰ」 , are there anything else, like variables or classes or whole program, stored in "STACKS", especially?

Answer 2

What are "Object references" in Java!
I was made known that it is stored in stacks

Answer 3

Can you please explain me with an example about Object Reference (code snippet), in which you delete or alter an already created object

Answer 4

Thanks! I'll be waiting to know about the object reference