http://imagej.273.s1.nabble.com/How-to-link-an-external-package-to-plugin-in-ImageJ-tp3697384p3697389.html
It does works and thanks a lot! This helps me so much.
> The "Compile and Run" command in ImageJ 1.39r automatically adds JAR
> files (e.g., Jama.jar) in the plugins folder, or subfolder, to the
> compiler's classpath. The name of the JAR file must end in ".jar" and
> there can't be an underscore in the name. A preview of v1.39r is
> available at <
http://rsb.info.nih.gov/ij/ij.jar>.
>
> -wayne
>
> > Hi All,
> >
> > Sorry to bother if you are not interested. I want to do some matrix
> > operation by ImageJ plugin. I import the package Jama.jar since
> > it does a lot matrix operation. I downloaded it to
> > ImageJ/jre/lib/Jama.jar,
> > and I use "import Jama.*" in the plugin head. But the compiler told
> > me that
> >
> > "package Jama does not exist
> > import Jama.*; "
> >
> > I think it is a link problem. How to make the program
> > knows where is the package Jama?
> >
> > Thanks a lot,
> > Jiajian
> >
>