修改语句拗口问题 #624
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修改语句拗口问题 #624
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Update README.md
sjsdfg
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Nov 27, 2020
docs/book/09-Polymorphism.md
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| @@ -964,7 +964,7 @@ Disposing Shared 0 | |||
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| **static long counter** 跟踪所创建的 **Shared** 实例数量，还提供了 **id** 的值。**counter** 的类型是 **long** 而不是 **int**，以防溢出（这只是个良好实践，对于本书的所有示例，**counter** 不会溢出）。**id** 是 **final** 的，因为它的值在初始化时确定后不应该变化。 | |||
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| 在将一个 **shared** 对象附着在类上时，必须记住调用 `addRef()`，而 `dispose()` 方法会跟踪引用数，以确定在何时真正地执行清理工作。使用这种技巧需要加倍细心，但是如果正在共享需要被清理的对象，就没有太多选择了。 | |||
| 在将一个 **shared** 对象附着在类上时，必须记住调用 `addRef()`，而 `dispose()` 方法会跟踪引用数，以确定在何时真正地执行清理工作。使用这种技巧需要加倍细心，但是如果正在共享的对象需要被清理，你没有太多选择。 | |||
There was a problem hiding this comment.
不要用被动语态了
「但是如果需要清理正在共享的对象」
sjsdfg
reviewed
Nov 27, 2020
docs/book/09-Polymorphism.md
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| @@ -1154,7 +1154,7 @@ HappyActor | |||
| SadActor | |||
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| **Stage** 对象中包含了 **Actor** 引用，该引用被初始化为指向一个 **HappyActor** 对象，这意味着 `performPlay()` 会产生一个特殊行为。但是既然引用可以在运行时与其他不同的对象绑定，那么它就可以被替换成对 **SadActor** 的引用，`performPlay()` 的行为随之改变。这样你就获得了运行时的动态灵活性（这被称为状态模式）。与之相反，我们不能在运行时决定继承不同的对象，那在编译时就完全确定下来了。 | |||
| **Stage** 对象中包含了 **Actor** 引用，该引用被初始化为指向一个 **HappyActor** 对象，这意味着 `performPlay()` 会产生一个特殊行为。但是既然引用可以在运行时与其他不同的对象绑定，那么它就可以被替换成对 **SadActor** 的引用，`performPlay()` 的行为随之改变。这样你就获得了运行时的动态灵活性（这被称为状态模式）。与之相反，我们不能在运行时才决定继承不同的对象；那在编译时就完全决定好了。 | |||
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修改语句拗口问题 8