Re: Throwing Constructor Exceptions and cleaning up

From:
Lew <lew@lewscanon.com>
Newsgroups:
comp.lang.java.programmer
Date:
Fri, 3 Apr 2009 13:50:56 -0700 (PDT)
Message-ID:
<003ac0c0-205a-4fa7-875d-a08c4b451fe2@r33g2000yqn.googlegroups.com>
Peter Duniho wrote:

I don't see why that's necessary. In this "hypothetical GC
implementation", it would no longer be true that "finalizable objects
necessarily survive their first collection", and there would be no reason=

  

to try to optimize them out of the young generation.

Assuming one is trying to optimize for the common and correct case, such =

a

hypothetical implementation would simply assume that finalizable objects =

 

would not actually need to be finalized, and would thus treat them as any=

  

other object for the purposes of allocation.


That's how Java works now, in effect. You don't override 'finalize()'
in the first place unless the object "actually need[s] to be
finalized".

And sure, an object that does wind up needing to be optimized would have =

a

performance impact. Oh well. That's life. All the better reason =

to make

sure the code is correct in the first place.


That's how Java works now, in effect.

Java is not .NET.

--
Lew

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