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zhix
V2EX    Java

基于 enum 的单例模式是不是一种反模式?

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  •   zhix Oct 16, 2017 4101 views
    This topic created in 3117 days ago, the information mentioned may be changed or developed.

    我一般习惯用 enum 来实现单例

    enum Singleon { INSTANCE; } 

    同样会使用 enum 来实现工具类

    enum Utils { ; } 

    这样做算不算一种反模式?

    5 replies    2017-10-19 17:42:22 +08:00
    johnniang
        1
    johnniang  
       Oct 16, 2017 via Android
    你应该去反编译一下代码看看 enum 的真身
    zonghua
        2
    zonghua  
       Oct 16, 2017 via iPhone
    枚举没了面向对象的一些特性
    flyingghost
        3
    flyingghost  
       Oct 16, 2017
    无论技术上可不可行,我觉得和设计初衷、和字面意思、和直觉相违背的 geek 用法都是以可读性 /可维护性为代价的奇技淫巧。
    yidinghe
        5
    yidinghe  
       Oct 19, 2017
    反正 enum不是这么用的,所以是反模式。
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