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Jul 5, 2020
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Update 06-Housekeeping.md #492

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2 changes: 1 addition & 1 deletion docs/book/06-Housekeeping.md
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Expand Up @@ -437,7 +437,7 @@ public class BananaPeel {

```java
Banana.peel(a, 1)
Banana.peel(b, 1)
Banana.peel(b, 2)
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感觉很奇怪。

master 上面就是 2.

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这就不太了解了，是在看https://lingcoder.gitbook.io/onjava8/06-housekeeping的时候发现还是1，然我我这边看上去master上也是1

```

这是在内部实现的，你不可以直接这么编写代码，编译器不会接受，但能说明到底发生了什么。假设现在在方法内部，你想获得对当前对象的引用。但是，对象引用是被秘密地传达给编译器——并不在参数列表中。方便的是，有一个关键字: **this** 。**this** 关键字只能在非静态方法内部使用。当你调用一个对象的方法时，**this** 生成了一个对象引用。你可以像对待其他引用一样对待这个引用。如果你在一个类的方法里调用其他该类中的方法，不要使用 **this**，直接调用即可，**this** 自动地应用于其他方法上了。因此你可以像这样：
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