摘要: In this lesson, we will cover Interfaces and Mixins. Interfaces act as a contract containing properties and methods that a class must define once it “ 阅读全文
posted @ 2019-08-25 19:42 Zhentiw 阅读(258) 评论(0) 推荐(0)
摘要: We will look at how we can create classes and explore some various features. Dart adopts a single-inheritance model, meaning that you can only extend 阅读全文
posted @ 2019-08-25 19:29 Zhentiw 阅读(219) 评论(0) 推荐(0)