Re: how to check if a String is empty?

[Frank Zammetti]

That's a good question, and one to which I do not know the answer.  My HUNCH 
is that, as you say, modern compilers would deal with that easy enough.  I 
could be very wrong though.

Anyone happen to know for sure?

From: Robert Bateman <[EMAIL PROTECTED]>
Reply-To: "Tomcat Users List" <[EMAIL PROTECTED]>
To: "Tomcat Users List" <[EMAIL PROTECTED]>
Subject: Re: how to check if a String is empty?
Date: Fri, 18 Jun 2004 13:21:09 -0400
Frank,
NOT questioning your "solution", but doesn't the call to 
equalsIgnoreCase("")
cause a temp String object to be created and destroyed?  Or do todays JIT
compilers handle that case effectively?

Bob
On Thursday 24 June 2004 01:16 pm, Frank Zammetti wrote:
> I've always done
>
> if (test == null || test.trim().equalsIgnoreCase("")) { }
>
> (I'm anal about always using equalsIgnoreCase unless I know for sure 
that
> case sensitivity is required).  No need to do anything more complex than
> that in my experience. "Always do the simplest thing that will work".
>
> Frank

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