面向对象程序设计计科11c卷

1、象程序设计试题（C 卷 用题班级2使用const 定义常量与用使用define 中标，错误的标象程序设计试题（C 卷 用题班级2使用const 定义常量与用使用define 中标，错误的标C+只支持象程序设计派生类的成员函数可以直基类3操作符delete的作用是什么？如何删除单个用new 申请的空间？如何删除申请的delete 删除一个类的对象时，会发生哪些操作？必要时，请用代码说用class当一个对象被销毁时，以与构造函数调用顺序相反的顺序调用析构函问答题（5 40 分一二三四五六8public、protected、private private 成员被继承到子类后，其8public、pro

2、tected、private private 成员被继承到子类后，其自动局部对象(Automaticlocalobjects)的构造函数、析构函数分别是什么时候被调用, 1A classs data members (variables he class and functions (functions declared in the class definition) belong tot classs scope. Nonmember functions are defined at file scope.Within a classs scope, class members are y

3、 y all t member functions and can be referenced by name. Outside a classs scope, public class members are referenced through one of the handles on an objectan object name, reference toanobjectora er to an object.The type of the object, reference or specifieserface(i.e.,themember functions)sibleto th

4、e （注：在不影响理解前题下，下列程序均略去了必要的头文件、名称空间classBCsayHi()coutJusthi.调用BC类的sayHiendl; void run() cout in Base:run endl; classDC1:public 2In（注：在不影响理解前题下，下列程序均略去了必要的头文件、名称空间classBCsayHi()coutJusthi.调用BC类的sayHiendl; void run() cout in Base:run endl; classDC1:public 2In Section 13.3.1, we assigned the address of

5、a derived-class object to a base-voidrun()coutinker:runendl;er and t the C+ compiler allows this assignment, because classDC2:publicvoidsayHicout在Tailor中endlderived-class object is a base-class object. We take the ite approach in Fig. 13.6, abase-aEmployee member function, including setBaseSalary, f

6、or the to which the po the Commisos (i.e., the base-class object Employee). voidrun()coutailor:runendl;Employee object does not provide a setBaseSalary member function, does it provide a baseSalary data member to set. This could lead to problems, main()BC*member function setBaseSalary would t there

7、is a baseSalary data member its usual location in Employee object. This memory forwhich=1;which not belong to the Commis overwriteotherimportantdataEmployee, object so member function setBaseSalary which+) switch( which ) case 1: p = new BC; break; case2:p=newDC1;break; case 3:p= newDC2;deletesiblyhat belongstoadifferent returninreturnclassclassb; returnclassclassb; 1（8分）采用面、main() BInitualizingAA! InitualizingBB! Ending main!DestroyingBB! Destroying voidre