Which of the following statements about object oriented database is not correct?A．Each object has a unique object identity in the system.B．Encapsulation and inheritance are two important features of object oriented databaseC．A subclass can inherit the att

题目

Which of the following statements about object oriented database is not correct?

A．Each object has a unique object identity in the system.

B．Encapsulation and inheritance are two important features of object oriented database

C．A subclass can inherit the attributes and methods of all its superclasses

D．A superclass includes the attributes and methods of all its subclasses

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参考答案和解析
正确答案：D
更多“Which of the following statements about object oriented database is not correct?A.Each obj ”相关问题

  • 第1题：

    transfer, up, nothing, everything, contributions, efforts, pursuit, about, over, net, process, providers

    These overdetermined entrepreneurs give ___1___ they have in __2___ of their goals and frequently end ___3__ giving everything. They heave all their possessions into the hopper and make crushing ___4____ of self in the _____5_ for material victory. They thrash _____6__ in the __7__society euphemistically terms workaholic, type-A, 4 success-oriented, ore excellent ___8___. In the __9____, control and power ____10____ from them to the goal itself.


    正确答案：1.everything 2.pursuit 3.up 4.contributions 5.effort 6.about 7.net 8.provider 9.process 10.transfer

  • 第2题：

    面向对象（object-oriented，OO）方法开发信息系统的过程包括：（ ）

    A.系统调查和需求分析
    B.面向对象分析
    C.面向对象设计
    D.程序实现
    E.运行和修改原型

    答案：A,B,C
    解析：

  • 第3题：

    C++ fully supports ( ) programming,including the four properties:encapsulation,data hiding,inheritance,and polymorphism.

    A .computer-oriented
    B .procedure-oriented
    C. object-oriented
    D .aspect-oriented

    答案：C
    解析：
    C++完全支持面向对象程序设计，包括以下4种属性：封装性、数据隐藏、继承性和多态性。

  • 第4题：

    C++ is used with proper(66) design techniques．

    A．class-oriented

    B．object-based

    C．face to object

    D．object-oriented


    正确答案：D
    解析：C++使用了一定的面向对象设计技术。

  • 第5题：

    C++ fully supports ( ) programming,including the four properties:encapsulation,data hiding,inheritance,and polymorphism.

    A.computer-oriented
    B.procedure-oriented
    C.object-oriented
    D.aspect-orienteD.

    答案：C
    解析：
    C++完全支持面向对象程序设计，包括以下4种属性：封装性、数据隐藏、继承性和多态性。

  • 第6题：

    C++fully supports（ ）programming，including the four properties:encapsulation，data hiding，inheritance，and polymorphism.

    A.computer-oriented
    B.procedure-oriented
    C.object-oriented
    D.aspect-oriented

    答案：C
    解析：
    C++完全支持面向对象程序设计，包括以下4种属性：封装，数据隐藏，继承，多态。

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