Re: Java libraries and proposal.
On Sun, May 20, 2001 at 04:13:31PM -0500, Adam Heath wrote:
> On Thu, 12 Apr 2001, Joe Emenaker wrote:
> > [...]
> > Well, each JVM on the system could have a script that builds the classpath
> > that it needs. That would be the first thing in the actual classpath passed
> > to the JVM. Next, you tack on the existing $CLASSPATH contents. Lastly, you
> > add the auto-generated stuff in ./lib, ./classes, $HOME/lib, $HOME/classes,
> > /usr/share/java/lib, and /usr/share/java/classes.
> $CLASSPATH should ALWAYS be first, in any auto-generated setup. How else
> would I be able to override something in a system directory?
The situation is the same as with MANPATH etc., i.e. the value of
CLASSPATH says where system classes go, using an empty path component.
CLASSPATH Equivalent to
This means that one can append or prepend to CLASSPATH, and the right
thing happens if CLASSPATH is unset.
(jdk before 1.2 didn't do this at all; from memory, jdk 1.2 does some but
not all of the three cases given above.)