code: public static ClassLoader getClassLoader() {
          ClassLoader cl = Thread.currentThread().getContextClassLoader();
          if (cl == null) {
              cl = ClassLoader.getSystemClassLoader();
              if (cl == null) {
                  // When this method is called for initializing a ICU4J class
                  // during bootstrap, cl might be still null (other than Android?).
                  // In this case, we want to use the bootstrap class loader.
                  cl = getBootstrapClassLoader();
              }
          }
          return cl;
      }
docs: Returns a fallback class loader.
  @return A class loader