this.classloader = classloader; this.baseURL = baseURL; this.noCertCodeSource = new CodeSource(baseURL, null);
this(classloader, baseURL, baseURL);
    URLLoader(URLClassLoader classloader, URL baseURL)    {      this.classloader = classloader;      this.baseURL = baseURL;      this.noCertCodeSource = new CodeSource(baseURL, null);    }