JGSL : about java scientific library, how to use it any tutorial or etc

Question

Hay,
I have a question regarding JGSL: java scientific library.
I just download the jgsl.0.1.1 lib for my project
It contains a bunch of file, including the lib files
I set the lib folder path in the LD_LIBRARY_PATH and when i tried to run the testfile.class
that comes with this library, i got an error
main class defination not found.
Have any one used the lib if yes can send me the working example.
or at least tell me how to set these things, there is no documentation available with this.
thanks

Answer 1

Why don't u use a class loader. Try this code
// loader class
public class Loader  extends ClassLoader {
    String path;
    public Loader(String path) {
          this.path = path;
    public Class findClass(String name) {
        byte[] b = loadClassData(path+name+".class");
        return defineClass(name, b, 0, b.length);
    private byte[] loadClassData(String name) {
        File file = new File(name);
        byte[] data = null;
        try {
            InputStream in = new FileInputStream(file);
            data = new byte[ (int) file.length()];
            for (int i = 0; i < data.length; i++) {
                data[i] = (byte) in.read();
        catch (IOException ex) {
        file = null;
        return data;
// in your caller class use
   Loader loader = new Loader(libPath); // lib path may be taken from a command line arg
   Object main = loader.loadClass("ClassLib", true).newInstance();I think this is what u r looking for
Uditha Nagahawatta