09 2016 档案

线程安全的单例模式
摘要：public class Singleton{ private static Singleton instance; private Singleton(){} public static Singleton getInstance(){ if(instance == null){ synchronized(Single... 阅读全文
posted @ 2016-09-06 16:15 wtjohn 阅读(134) 评论(0) 推荐(0)