static未央

摘要： //单线程下的单例模式classSingleTon{privatestaticSingleTon_inst;privatestaticSingleTon(){}publicSingleTonInstance{get{if(null!=_inst){_inst=newSingleTon();}return_inst;}}}//多线程下的单例模式(饱汉式)classSingleTon{privatestaticvolatileSingleTon_inst;privatestaticobjectlockhelper=newobject();privateSingleTon(){}publicSing 阅读全文