You can never cast objects of sibling classes (sharing the same parent), even with an explicit cast.

你永远不可能转化具有同一个超类的类的对象，即使是刻意转化。

youdao

Eclipse writes the superclass automagically with its new methods and alters the sibling classes to use the new superclass.

Eclipse将使用其新方法自动编写超类，然后更改兄弟类，使之使用新的超类。

youdao

Eclipse writes the superclass automagically with its new methods and alters the sibling classes to use the new superclass.

Eclipse将使用其新方法自动编写超类，然后更改兄弟类，使之使用新的超类。

youdao