摘要:
1publicsealedclassSingleton2{3staticSingletoninstance=null;45Singleton()6{7}89publicstaticSingletonInstance10{11get12{13if(instance==null)14{15instance=newSingleton();16}17returninstance;18}19}20} 阅读全文
posted @ 2012-11-23 15:26
小爪微凉
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