[gclist] Garbage collection and XML
Tue, 6 Mar 2001 18:04:03 -0700
From: Richard A. O'Keefe <firstname.lastname@example.org>
> I wrote:
> I thought there _was_ a UniqueString class in Java, but when I
> looked for it, I couldn't find one.
> Hans Boehm replied:
> Isn't java.lang.String.intern() what you want?
> It is indeed the thing that I had vaguely remembered.
> What I *wanted* was a UniqueString class, with a less space-hungry
> representation than Java's String class. A Java String requires
> 1 or 2 words of per-object overhead
> 4 instance variables (one word each)
> 2 or 3 words of per-array overhead
> storage for the string proper.
> The overheads are pretty substantial.
If you care about overheads then you shouldn't be using java ;->