[Konloch]

Code:

    public static void saveAsJar(ArrayList<ClassNode> nodeList, String fileName) {
        try {
            JarOutputStream out = new JarOutputStream(new FileOutputStream(fileName));
            for (ClassNode cn : nodeList) {
                ClassWriter cw = new ClassWriter(0);
                cn.accept(cw);
                
                out.putNextEntry(new ZipEntry(cn.name + ".class"));
                out.write(cw.toByteArray());
                out.closeEntry();
            }
            
            out.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }