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   Re: String interning (WAS: SAX2/Java: Towards a final form)

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  • From: David Megginson <david@megginson.com>
  • To: xml-dev-digest@ic.ac.uk
  • Date: 17 Jan 2000 21:17:53 -0500

Tyler Baker <tyler@infinet.com> writes:

> As you can see an identity test is done right off the bat so if you make a call like this:
> if (foo.equals("x")) {
> }
> And foo == "x", then your only additional overhead to a straight identity test is the
> dynamic method invocation of String.equals().

Only if the strings are equal -- if you're in a long switch statement, 
most of them won't be equal, and the overhead will be much more than
the function call.

All the best,


David Megginson                 david@megginson.com

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