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Class casting a null pointer

Justin Chu
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Joined: Apr 19, 2002
Posts: 209
Is it always safe to cast a null pointer to a certain Class?
I have the habit of doing this
Object o = vector.get(1);
String str = o == null ? null : (String)o;
I wonder if I can leave out the checking altogether to save processing time.
[ May 08, 2002: Message edited by: Chu Tan ]
David Weitzman
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Joined: Jul 27, 2001
Posts: 1365
Yes it's safe.
I agree. Here's the link:
subject: Class casting a null pointer
It's not a secret anymore!