WebDriver和FirefoxDriver之间的区别 [英] Difference between WebDriver and FirefoxDriver

问题描述

我对Selenium WebDriver完全陌生.谁能告诉我有什么区别 在这两行之间?

I am completely new to Selenium WebDriver. Can anyone please tell me what is the difference between these two lines?

WebDriver driver = new FirefoxDriver();

和

FirefoxDriver d = new FirefoxDriver();

两者都启动Firefox浏览器.那么，为什么我们总是写第一行而不是第二行呢?

Both launch the Firefox browser. So Why we always write the first line instead of 2nd line?

推荐答案

WebDriver是一个接口.

WebDriver is an interface.

FirefoxDriver是实现.

FirefoxDriver is the implementation.

为了更好地理解，请阅读Java接口上的文档.

To understand better, please do read docs on Java Interface.

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