OK, the reason I'm saying this is, we have one class definition, is a cookie cutter, it's a template that's going to let us build versions of these things.
同一实例,好,我为什么要说这个的原因是,我们学习了类的定义了,这就像曲奇成型刀一样,它是个让我们建立不同版本的,这些东西的一个模板。
Right now it's a simple template, but it's a template for creating what a class looks like, and I now have an x- and y- value associated with each instance of this.
那么大家明白了为什么,我说类是一个模板了,对不对?,现在它只是一个简单的模板,但是它是一个用来-,创建形成一个类的模板。
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