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(Update scala-for-java-programmers.md) Fix pr#1405 for zh-cn with some polish. #1406

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(Update scala-for-java-programmers.md) Fix pr#1405 for zh-cn with some polish. #1406

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(tutorials) Fix pr#1405 for zh-cn.
dongxuwang Jun 28, 2019
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polish.
dongxuwang Jun 28, 2019
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4 changes: 2 additions & 2 deletions _zh-cn/tutorials/scala-for-java-programmers.md
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Expand Up @@ -87,7 +87,7 @@ Scala 的导入表达式跟 Java 非常像，但更为强大。如第一行，

## 一切都是对象

Scala 是一个纯粹的面向对象语言，这句话的意思是说，*所有东西*都是对象，包括数字、函数。因为 Java 将基本类型 (如 `boolean` 与 `int` ) 跟参照类型分开，而且没有办法像操作变量一样操作函数，从这角度来看 Scala 跟 Java 是不同的。
Scala 是一个纯粹的面向对象语言，意即包括数字、函数在内的*一切*都是对象。这跟 Java 不同，因为 Java 的基本类型 (如 `boolean` 与 `int` ) 和引用类型是有区别的。
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意即包括数字、函数在内的一切都是对象

nit: how about

意即所有ㄧ切都是对象，而這包含了数字和函数

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I think 包括数字、函数在内的一切都是对象 is more in line with Chinese customs.

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Thanks for the review. I personally prefer to make the translation sound smoother to the target reader, which might lose some words order literally.


### 数字是对象

Expand All @@ -113,7 +113,7 @@ Scala 是一个纯粹的面向对象语言，这句话的意思是说，*所有

### 函数是对象

可能令 Java 程序员更为惊讶的会是，Scala 中函数也是对象。因此，将函数当做对象传递、把它们存入变量、从其他函数返回函数都是可能的。能够像操作变量一样的操作函数这点是*函数式编程*这一非常有趣的程序设计思想的基石之一。
Scala 中的函数也是对象，所以将函数当做对象传递、把它们存入变量、从其他函数返回函数都是可能的。能够像操作变量一样的操作函数这点是*函数式编程*这一非常有趣的程序设计思想的基石之一。

为何把函数当做变量一样的操作会很有用呢，让我们考虑一个定时函数，功能是每秒执行一些动作。我们要怎么将这动作传给它？最直接的便是将这动作视为函数传入。应该有不少程序员对这种简单传递函数的行为很熟悉：通常在用户界面相关的程序上，用来注册一些当事件发生时被调用的回调函数。

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