code: public static void addToClasspath(final String url, final ClassLoader classLoader) {
          checkNotNull("url", url);
          try {
              addToClasspath(new URL(url), classLoader);
          } catch (final MalformedURLException e) {
              throw new RuntimeException(e);
          }
      }
docs: Adds an URL to the classpath.
  
  @param url
  URL to add - Cannot be <code>null</code>.
  @param classLoader
  Class loader to use - Cannot be <code>null</code>.