URL class loader : Class Loader « Reflection « Java Tutorial

1. Java Tutorial
2. Reflection
3. Class Loader

import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLClassLoader;

public class MainClass {
  static public void main(String args[]) throws Exception {
    URL myurl[] = { new URL("file:///C:/CH3/ClassLoader/web/"),
        new URL("http://www.java2s.edu/~xyx/test/") };
    URLClassLoader x = new URLClassLoader(myurl);
    Class c = x.loadClass("TestURL");

    Class getArg1[] = { (new String[1]).getClass() };
    Method m = c.getMethod("main", getArg1);
    String[] my1 = { "arg1 passed", "arg2 passed" };
    Object myarg1[] = { my1 };
    m.invoke(null, myarg1);

    Object ob = c.newInstance();
    Class arg2[] = {};
    Method m2 = c.getMethod("tt", arg2);
    m2.invoke(ob, null);

    Class arg3[] = { (new String()).getClass(), int.class };
    Method m3 = c.getMethod("tt", arg3);
    Object myarg2[] = { "Arg1", new Integer(100) };
    m3.invoke(ob, myarg2);
  }
}