On Jul 15, 2008, at 09:16, Peter B. West wrote:

Andreas Delmelle wrote:
<snip />
Come 1.5, you get StringBuilder.

Yep, this indeed becomes /the/ weapon of choice for building strings (in single-threaded context), if that's the goal. For FOText, I don't think that is the goal. We're simply buffering accumulating characters there, and in that case, a CharBuffer seems much more appropriate (even in Java 1.5+).

Not sure what explains the drop in performance in Sun Java 1.6 though... For Harmony, I guess the implementation has not yet been optimized. Understandable, especially if CharBuffer is not commonly used.



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