If methods are invoked that are overridden in subclasses in the object being initialized, then these overriding methods are used, even before the new object is completely created.
If methods are invoked that are overridden in subclasses in the object being initialized, then these overriding methods are used, even before the new object is completely created.
注意并没有产生一个什么父类对象，第二段举了一个列子，如果你用了覆盖，尽管父类的那个方法不再使用，便他依然被产生了。