笨'小孩

摘要： 单例模式。第一种形式:publicclassSingleton{privateSingleton(){}privatestaticSingletoninstance=newSingleton();publicstaticSingletongetInstance(){returninstance;}}第二种形式:publicclassSingleton{privatestaticSingletoninstance=null;publicstaticsynchronizedSingletongetInstance(){if(instance==null)instance＝newSingleton( 阅读全文