作为引用类型，两个对象在堆上被创建。

As a reference type, two objects are created on the heap.

youdao

您可以引用首个类型作为它的父类，并将其他的作为起源。

One can refer to the first type as its parent and the others as progenitors.

youdao

您可以引用首个类型作为它的父类，并将其他的作为起源。

One can refer to the first type as its parent and the others as progenitors.

youdao