一个 Java 文件中的多个枚举类
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Multiple Enum Classes in one Java File
提问by popcoder
I have 3 String arrays with constants. eg:
我有 3 个带有常量的字符串数组。例如：
String[] digit = {"one", "two", "three"};
String[] teen= {"ten", "twenty", "thirty"};
String[] anchors = {"hundred", "thousand", "million"};
I'm thinking of transferring these to enums separately, so I will have 3 enum classes: digit, teenand anchorswith getValuemethods implemented. But I don't want to have them in separate files as I have only small data and same type of data. What is the best way to have all these with access methods in same meaningful java file?
我想单独转让这些来枚举的，所以我将有3枚举类：digit，teen并anchors用getValue方法来实现。但我不想将它们放在单独的文件中，因为我只有小数据和相同类型的数据。在同一个有意义的java文件中使用访问方法的最佳方法是什么？
回答by Eugene Retunsky
They can be three inner classes like this:
它们可以是三个内部类，如下所示：
public class Types {
public enum Digits {...}
public enum Teens {...}
....
}
Then refer them Types.Digits.ONE, Types.Teen.TWENTYetc.
然后参考他们Types.Digits.ONE，Types.Teen.TWENTY等等。
You can also use static imports like this:
您还可以像这样使用静态导入：
import Types.Digits;
import Types.Teen;
..
..
in order to have shorter references: Digits.ONE, Teen.TWENTYetc.
为了有更短的引用：Digits.ONE，Teen.TWENTY等等。
