In Java, is there a null existing object on the heap?

Question

In Java, is there a null existing object on the heap?

I am trying to understand the difference between an uninitialized local variable (which does not compile) and one initialized null (which compiles).

Answer 1

Look here:

Java IAQ: Frequently Asked Questions: Is a null object?

Answer 2

Or, to save the click, the answer is no, this is not an object. A value of null means that the object is not referenced.

Answer 3

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:

Integer i;
i = null;
i = Integer.valueOf(1);
i++;

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Answer 4

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Answer 5

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