Dynamischer ClassLoader

public class DynamicClassLoader extends ClassLoader {

public Class loadClass(String name) throws ClassNotFoundException {

if ( name.startsWith("java"))

return findSystemClass(name);

byte bytes[] = loadClassBytes(new File( FileUtil.getTempDir() +

"/" + FileUtil.getFileNameFromClassName(name)));

return defineClass( name, bytes, 0, bytes.length);

}

private byte[] loadClassBytes(File file) {

...

}

}