Christopher Schultz wrote:
...
Since a String object is immutable, one should always use a
StringBuffer (preferably a StringBuilder, these days) when you are
constructing strings in a piecemeal fashion, then convert to String
when complete.
This advice is good when constructing a long string in a loop or across
a long series of statements. If you are just concatenating a bunch of
string together to make a big one in a single statement, go ahead and
use the + operator: the compiler is smart enough to convert the entire
thing into a StringBuilder (a non-synchronized replacement for
StringBuffer) expression that gets good performance without making your
code look like crap.
I was wondering about that. It certainly seemed like a good place for a
smart compiler to fix things up, but didn't know if it actually did or
not. I don't do a lot of that, but enough of it that it becomes a style
issue.
D
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