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2019-04-09 23:40:58 +08:00

回复了 karia 创建的主题 › Java › 问下 inner class 里想写 static nested class 作为工具类的时候该怎么办

@zealot0630 If you declare a member class that does not require access to an enclosing instance, always put the static modifier in its declaration, making it a static rather than a nonstatic member class.

来自 Effective Java 3rd Edition Item 24

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