Re: get CPU info, RAM info
On 12-04-2010 08:44, Eric Sosman wrote:
On 4/12/2010 4:54 AM, Roedy Green wrote:
On Sat, 10 Apr 2010 22:21:07 -0700, "Mike Schilling"
<mscottschilling@hotmail.com> wrote, quoted or indirectly quoted
someone who said :
The OS-specific parts of the JRE [1] are, of course, precisely stuff
that's
been tweaked to work on all supported platforms.
File i/o, networking etc are basically the same on all platforms.
Roedy, you should get out more. ;-)
The C and POSIX standards define a lot. And most platforms are
either compliant or close.
This
permits the same Java API to access the native code to handle the
minor variations.
The Java API's can access a sort of "least common denominator"
of capabilities found on most systems (on all Java-hosting systems,
although that's a tautology). But where do I find the Java classes
that support DECnet, or ISAM files, or AF_UNIX sockets, or resource
forks, or security designators (not sure if that's the right term),
or doors, or ...?
Portability always involves some sacrifice of capability. It's
a matter of balance, not of universality.
Very true.
Arne
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