public static void main(String args[]) throws Exception {
ClassLoaderPreProcessor me = new ClassLoaderPreProcessorImpl();
InputStream is = ClassLoader.getSystemClassLoader().getParent().getResourceAsStream(
"java/lang/ClassLoader.class"
);
byte[] out = me.preProcess(ClassLoaderPatcher.inputStreamToByteArray(is));
is.close();
File dir = new File("_boot/java/lang/");
dir.mkdirs();
OutputStream os = new FileOutputStream("_boot/java/lang/ClassLoader.class");
os.write(out);