Why doesn't volatile in Java update the value of a variable?

Question

I\'ve read that "volatile" in Java allows different threads to have access to the same field and see changes the other threads has made to that field. If that\'s the c

Answer 1

volatile doesn't "allow the sharing" of anything. It just prevents the variable from being cached thread local, so that changes to the variables value occur immediately. Your d variable is an instance variable and is thus owned by the instance that holds it. You'll want to re-read the threading tutorials to re-align your assumptions.

One decent reference is here