This is a great use-case for a Map, in which each key of the Map is one of these enumerated values, and each value is the error message for that key. Listing 10 illustrates how this works.

这是映射(map)的一个绝好用例，在这里，每个映射(map)的键都是一个枚举值，而每个值都是键的错误信息。

youdao

This is a great use-case for a Map, in which each key of the Map is one of these enumerated values, and each value is the error message for that key. Listing 10 illustrates how this works.

这是映射(map)的一个绝好用例，在这里，每个映射(map)的键都是一个枚举值，而每个值都是键的错误信息。

youdao