A.financeB.patientC.affairD.doctor
A.finance
B.patient
C.affair
D.doctor
A.finance
B.patient
C.affair
D.doctor
A.引用式和嵌入式
B.内部和外部
C.交叉引用
D.包含式
A.鼠标器
B.键盘
C.显示器
D.硬盘
(1)面向对象的主要特征除封装、继承外,还有(1)和(2)。通常,对象可由标识此对象的名、属性和(3)所组成。对象之间的服务请求是通过传递(4)来实现的。所有的对象可以分成为各种对象类,每个对象类都定义了一组(3)。有一种特殊的类称为抽象类,其主要特征是(5)。
A.一致性
B.完整性
C.动态联编
D.静态联编
OOP languages that create objects, such as(1)and(2)are beginning to take hold as viable tools for programmers. To effectively reuse objects, programmers need a place to store them such as an ODBMS or a RDBMS with object oriented extensions.Databases that handle object data not only let user store and retrieve(3)data, but also let them store objects created by OOP languages, to facilitate rapid software development and reuse, and let them(4)new multimedia applications combining multiple data types.RDBMS vendors have developed new extensions to existing DB technology to accommodate the most common forms of(5)data.
A.C++
B.BASIC
C.PASCAL
D.C
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