Class<?> sepFwrC = sepLoader.loadClass(MyFinalizableWeakReference.class.getName());
    Constructor<?> sepFwrCons = sepFwrC.getConstructor(Object.class, sepFrqC);
    // The object that we will wrap in FinalizableWeakReference is a Stopwatch.
    Class<?> sepStopwatchC = sepLoader.loadClass(Stopwatch.class.getName());
    assertSame(sepLoader, sepStopwatchC.getClassLoader());

      } catch (SecurityException e) {
        logger.info("Not allowed to access system class loader.");
        return null;
      }
      if (systemLoader != null) {
        try {
          return systemLoader.loadClass(FINALIZER_CLASS_NAME);
        } catch (ClassNotFoundException e) {
          // Ignore. Finalizer is simply in a child class loader.
          return null;
        }
      } else {
        return null;

        final ClassLoader tccl = Thread.currentThread().getContextClassLoader();
        if (tccl != null) {
            try {
                return tccl.loadClass(name);
            } catch (final Exception e) {
                // drop through...
            } catch (final LinkageError e) {
                // drop through...
            }
        }

     *     For example, {@link NoClassDefFoundError}.
     */
    public Class<?> load() {
      try {
        return loader.loadClass(className);
      } catch (ClassNotFoundException e) {
        // Shouldn't happen, since the class name is read from the class path.
        throw new IllegalStateException(e);
      }
    }

    @Override