摘要: Singleton (单例) — 【面向对象设计模式学习】By CityWalker 2010年3月16日Intenta)Ensure a class has only one instance, and provide a global point of access toit. b) Encapsulated “just-in-time initialization&r... 阅读全文
posted @ 2010-03-16 15:25 CityWalker 阅读(535) 评论(0) 推荐(0)
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