You can use the default statement with enums and switches, just as you would expect. Listing 7 illustrates this usage

正如您所期待的，在使用枚举和 switch 时，您可以使用 default 语句。

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Consider the code above and realize that any enumerated value not specifically processed by a case statement is instead processed by the default statement.

研究以上代码可以看出，任何没有被case语句处理的枚举值都会被default语句处理。

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In a carefully worded statement issued after its default last year, Essar blamed its troubles on the economic sanctions imposed on India after it had tested nuclear bombs in 1998.

ECONOMIST: Indian lending: Default options | The