Re: An interessting change for shared char[] in String/StringBuffer

[Artur Biesiadowski]

Tom Tromey wrote:

> > > From http://java.sun.com/j2se/1.5.0/jcp/beta1/index.html#java.lang:
> > > "In this release, the sharing between String and StringBuffer has been
> > > eliminated."
> > > Does this mean to change to change the implementation in Classpath too? I
> > > like this optimization...
>
>
> I don't think we necessarily have to change this.  IMO it would depend
> on whether the change is observable by user code.  Our implementation
> doesn't always share, anyway.  It only shares if the buffer is mostly
> in use.

'Observable by user code' is very broad term. It is possible to write a 
short program which will throw OutOfMemoryException with sharing on and 
work without problems when data is always copied - does it counts as 
observation from user code ?

Artur