Java: Is volatile / final required for reference to synchronized object?

Question

This seems a pretty basic issue, but I cannot find a clear confirmation.

Let\'s say I have a class properly synchronized in itself:

public class Sync         


        

Answer 1

Two things to keep in mind here for understanding:

1. Racing for your reference variable has no conceptual difference from that of a member field.
2. Sharing a reference variable requires careful handling of safe publication