By breadth, I mean the features that were beyond the scope of this article, such as abstract classes, interfaces, the iterator interface, reflection, exceptions, and object cloning.

广度指的是超出本文范围的那些特性，比如抽象类、接口、迭代器接口、反射、异常和对象复制。

youdao

By breadth, I mean the features that were beyond the scope of this article, such as abstract classes, interfaces, the iterator interface, reflection, exceptions, and object cloning.

广度指的是超出本文范围的那些特性，比如抽象类、接口、迭代器接口、反射、异常和对象复制。

youdao