What's going on underneath the hood is we'll see pictorially X today is that when I declare this X, this variable X here.

底下所做的，我们将看到,当我声明这个X，这个变量。

哈佛公开课 - 计算机科学课程节选

When you declare a pointer yourself manually, you do say char * the variable name because recall that's the same thing that we did earlier but we called it instead string.

当你手动声明一个指针是，你可以说char，*，变量名字,因为那是我早些时候做的事情,但是我们叫它为字符串。

哈佛公开课 - 计算机科学课程节选

And actually, if I don't want to clobber, as we say, overwrite the value of my variable, ; I could declare another one and store the return value in Y; Y so now I have two ints in memory; X and Y, 3 one with two, one with three.

实际上，如果你不想彻底清除，像我们说的，覆盖那个变量的值，我可以申明另一个变量Y，并在Y中保存那个返回值;,现在内存中有两个int数，X和，一个的值为2，一个为。

哈佛公开课 - 计算机科学课程节选

So there's no mention of int, and yet we've been saying for the past couple of lectures, that anytime you declare a variable, you absolutely have to specify its type.

这里没有提及int，我们在前几个演讲中,一直讨论的东西，任何时候你声明一个变量，你必须指定它的类型。

哈佛公开课 - 计算机科学课程节选