The new code is based upon an easily observable assumption about a class, namely that it defines the vast majority (usually all) of its methods before an instance of the class is created.

新的代码基于对类的一个很容易观察到的假设，换句话说，在创建类的实例前它会定义好绝大多数方法(通常是所有方法)。

youdao

The new code is based upon an easily observable assumption about a class, namely that it defines the vast majority (usually all) of its methods before an instance of the class is created.

新的代码基于对类的一个很容易观察到的假设，换句话说，在创建类的实例前它会定义好绝大多数方法(通常是所有方法)。

youdao