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- From: John Cowan <cowan@locke.ccil.org>
- To: xml-dev@ic.ac.uk
- Date: Sun, 19 Dec 1999 21:07:44 -0500 (EST)
David Megginson scripsit:
> Great idea, but java.lang.String is final, so it cannot be extended
> (that supposedly allows many optimizations in the JVM).
Specifically, Strings are immutable, and allowing an immutable class
to be extended potentially throws away the immutability. Things like
threads and Hashtables rely on knowing what is immutable and what is not.
--
John Cowan cowan@ccil.org
I am a member of a civilization. --David Brin
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