code: public static <T> T call(Callable<T> c)
     {
        if (c == null)
        {
           return null;
        }
        try
        {
           return c.call();
        }
        catch (RuntimeException e)
        {
           throw e;
        }
        catch (Exception e)
        {
           throw new RuntimeException("Error invoking Callable [c]", e);
        }
     }
docs: Calls the {@link Callable} avoiding the checked {@link Exception}.