Why a primitive variable can point to wrapper object?

[Mark Moge]

Can someone explain me why the primitive variable can point to wrapper object?
for example:

   int x = new Integer(45); 

[Bear Bibeault]

It can't. And in your example, it's not.

Java auto-boxing is extracting the value, 45, and assigning it to the int. There is no reference to the Integer instance.

[Mark Moge]

Autoboxing and wrapper classe was added to Java 1.5. So now I can see how it works Thanks for replay.