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1. 单例模式
1.1饿汉式(开发常用)
class SingleFirst { /* 添加其他成员信息 */ private static SingleFirst s1 = new SingleFirst(); private SingleFirst(){ } public static SingleFirst getInstance(){ return s1; } }
1.2 懒汉式
class SingleSecond { /* 添加其他成员信息 */ private static SingleSecond s2 = null; private SingleSecond(){ } public static SingleSecond getInstance(){ if(null==s2) s2 = new SingleSecond(); return s2; } }
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原文地址:http://www.cnblogs.com/huoshaofeng/p/5874658.html