code: public static String getClassName(final Object object) {
  
      return object != null ? object.getClass().getName() : NULL_STRING;
    }
docs: Returns given object's full class name.<br>
  e.g: <span style="color:blue">org.codelogger.utils.ClassUtils</span><br>
  If given object is null return empty string.
  
  @param object any object.
  @return given object's full class name.