Re: Catching NPEs

From:
"Andrew Thompson" <andrewthommo@gmail.com>
Newsgroups:
comp.lang.java.programmer
Date:
27 Dec 2006 18:22:25 -0800
Message-ID:
<1167272545.429905.292030@42g2000cwt.googlegroups.com>
Ed wrote:

Daniel Dyer skrev:

On Wed, 27 Dec 2006 22:06:23 -0000, Frank <frank@nospam.heaven.com> wrote:

Is it possible to catch (and hence respond to) Null Pointer Exceptions
that
could occur anywhere within my application? I thought of wrapping the
main() method in a try/catch block catching Exception or something along
those lines but I can't see how to get it to work.


You can, but why would you want to?


Well, I'm no user-experience expert (WINUEE - an unstrangely seldom
quoted newsgroup abbreviation) but when a program crashes while trying
to do something, it can be helpful if the program itself stays running,
so that something else can be attempted.

If a user is running a video-conversion program, for example, and tries
to convert a .avi to a .mpeg, and the conversion fails horribly because
of a software error in the mpeg-to-avi method, ...


Hmmm... sounds as though you are describing
"..bugs that need to be fixed by changing the code."

Just a thought.


Just an (unattributed) quote. ;-)

Andrew T.

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