Re: Speed Up Compilation -article request
On 2010-08-14 15:39:00 -0400, Kevin McMurtrie said:
In article <email@example.com>,
markspace <firstname.lastname@example.org> wrote:
Martijn Mulder wrote:
From the Windows XP command line, I use javac.exe version 1.6.0_21 to
compile my java-code and java.exe version 1.6.0_21 to execute it. Then I
change the code and run the cycle again.
How can I optimize this process?
Use 'Ant'. It would be possible to use the old Unix 'make' command, but
Ant has better options specifically for Java. Yes, both are available
And Tom's suggestion to use an incremental compiler with an IDE is also
good. That will speed up your work again. Both NetBeans and Eclipse
use Ant as a base for their build systems.
Ant inherits the incremental build feature from the Java compiler. The
important thing is to make sure that the Java compiler gets a list of
all executable entry points
This is, unfortunately, not sufficient for correct compilation. Because
of reflection, some classes may be reachable by some code paths in ways
the compiler can't detect and therefore won't automatically compile.
Better to pass the complete list of source files than to let the
compiler try to guess -- fortunately, this is what most build tools
(including maven and ant) do.
This also applies when writing a library rather than a freestanding
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