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When I call this class definition, it calls init, init and I give it an x and a y value.
我说过，当我们，调用这个类的定义的时候，它会去调用。
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It's got this funky looking form, right, it says, I've got something that I'm going to call a class, got that key word class right here.
以及我们怎么来使用这些方法，因此我要回到类这个概念上来，让我们来建立第一个类吧,就在你们课堂手册的这儿，我会去定义一个类。
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When I try and evaluate that expression of greater than, is going to go into the class to say greater than is a comp method.
这个大于的操作符的时候,是到类的定义里去识别，大于是一个比较的方法,那么让我在这里说仔细一点吧。
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c point You can see inside of it, it's got a set of definitions for things like functions.
我会把它简短的命名为，你可以看到类的里面,有一个对于函数之类的东西的定义集。
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Is is essentially saying, given 2 things, do they point to exactly the same referent?
或者换种思考的方式，大家记得我说过当我们，调用类的定义声明的时候,它会创建一个实例？
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Again, I could have some other functions to compute things, but this is typically the place where I'm going to put them in.
注意这个声明典型的行为,就是为了定义了内部变量，以及类的内部特性,在说一次，我可以写一些。
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Right now it's empty, actually it's not quite empty, it has a pointer back to the class.
当我调用了这个类的，定义声明的时候，它在内存中的特定点。
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And is able to then say, inside of that class definition, find the value of x.
这个类的定义这里然后取值，也可以这么说，在类的定义的里面。
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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。
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But in particular, it's going to use self to refer to that instance.
好，那么让我换种，稍微不同的说法吧,我有一个类的定义。
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What did I just do there?
我在我的类的定义里面定义的东西之一？
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It's actually an object somewhere.
当我调用这个类的定义的时候。
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I don't have to put an init in, but it's again, usually a good idea to put that in originally.
类定义内做些什么其他的东西呢？,好，在两个例子里，我都有init声明。
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That's a bad mistake.
我说错了，当我调用类的定义。
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So another way saying it again is, when I call the class definition, by default I'm going to look to see is there an init method there, and if there is, I'm going to use it.
当我调用类的定义，默认的是语言要去查看，是不是有个init的方法,如果有的话，程序就会调用它，按照惯例。
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