这些方法参数定义成值对象，即不含逻辑只含数据值的对象。

These method parameters are defined as value objects; that is, objects with no logic that hold only data values.

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例如，Scala中的每个值都是一个对象，包括基本数据类型(即布尔值、数字等)在内，连函数也是对象。

For example, every value in Scala is an object, this includes basic data types (i.e. booleans, Numbers) as well as functions.

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例如，Scala中的每个值都是一个对象，包括基本数据类型(即布尔值、数字等)在内，连函数也是对象。

For example, every value in Scala is an object, this includes basic data types (i.e. booleans, Numbers) as well as functions.

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