标题: [Oracle interview]What is the default value of an object reference declared as an instance variable? [打印本页] 作者: 曹凯 时间: 2013-8-16 15:07 标题: [Oracle interview]What is the default value of an object reference declared as an instance variable? 作者: 于军 时间: 2013-8-16 15:24
null unless we define it explicitly.