Can it be also applied to the C/C++ ?

On Monday, January 18, 2010 10:24:01 PM UTC+9, vivekkm wrote:
>
> Hi,
>
> Weak reference objects, do not prevent their referents from being made
> finalizable, finalized, and then reclaimed. An example usage is in an
> application that is high on processing of images and you do not want
> to load an image from file system every time. so, you want to build a
> cache of images in the application. So, use weak references for
> accessing images in the cache.
>
> Each ordinary reference in Java is a strong reference. Strong
> reference objects prevent the GC from removing the object, if it is
> reachable with a chain of strong references.
>
> I found more details here: 
> http://saeedsiam.blogspot.com/2009/02/weakreference-what-is-that.html
>
> br,
> vivek.
>
> ly niu wrote:
> > Hi friends:
> > During reading the Android code, I am unclear about the strong reference 
> and
> > weak reference in Refbase.h.
> >
> > who can give a summary about the strong reference and weak reference? 
> What
> > is the difference and what is the usage in different condition?
> >
> > Another what is the difference between OBJECT_LIFETIME_FOREVER and
> > OBJECT_LIFETIME_WEAK?
> >
> >
> > Thanks
> > Regards
>
>

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