code: public static String getSimpleClassName(final Object object) {
  
      return object != null ? object.getClass().getSimpleName() : NULL_STRING;
    }
docs: Returns given class simple class name.<br>
  e.g: given class is:<span style="color:blue">java.lang.Object</span>, then
  return:<span style="color:blue">Object</span>
  
  @param object any object.
  @return object simple class name.