Set array size to simplify mem mgmt

[Ald]

Oskar Linde Wrote:

> Ald skrev:
> > Hello.
> > 
> > I have the following code:
> > 
> > char[] unitStack = new char[256];
> > unitStack.length = 0;
> > 
> > Does it make sense from viewpoint of simplifying memory management?  If I enlarge the size, the array won't be reallocated?
> 
> That is equivalent to reserving 256 chars. Enlarging the unitStack will 
> not cause reallocation for at least the first 256 entries.
> 
> -- 
> Oskar


What sort of guarantee there is that the memory manager will not give the 127th through 255th chars to somebody else?