Use ImageJ as a third party java library

gistfile1.sh

wget "http://imagej.nih.gov/ij/download/linux/ij148-linux64.zip"
unzip ij148-linux64.zip
cd ImageJ
jar -xvf ij.jar # simply do 
                #     $ javac -classpath '.:ij.jar' Algorithm.java
                #     $ java Algorithm
                # will cause run time error for not finding some particular classes
                # (which are actually in the .jar file). Reason unknown.
cd ..
mv ImageJ/ij ij
rm -rf ImageJ
cat >Algorithm.java <<EOL
import ij.*;
import ij.process.*;

public class Algorithm {
	public static void main(String[] args) {
		ImageProcessor ip = new ByteProcessor(400, 400);  
		String title = "My new image";  
		ImagePlus imp = new ImagePlus(title, ip);  
		IJ.saveAs(imp, "tif", "image.tif");	
	}
}
EOL
javac Algorithm.java 
java Algorithm # it will save a blank file "image.tif" in the current folder