说实话，该书的作者是非常的喜欢UML类图，所以如果你感觉这样有助于学习，你会喜欢上这本书的。

The author of this book really likes Unified Modeling Language (UML) class diagrams, so if you find those helpful in learning, then you’ll like this book.

youdao

说实话，该书的作者是非常的喜欢UML类图，所以如果你感觉这样有助于学习，你会喜欢上这本书的。

The author of this book really likes Unified Modeling Language (UML) class diagrams, so if you find those helpful in learning, then you’ll like this book.

youdao