TBKK Blog

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最常用的设计模式-单例

设计模式

Spring横行的今天看似自己写单例的时候不多啊. 偶尔看到一段代码： public class SigarUtil { private static Sigar sigar; public static Sigar getInstance() { if (null == sigar) { sigar = new Sigar(); ...

Posted by TBKK on September 19, 2018