c++上机考试练习题.docx

第16周面向对向上机实验练习题类和对象1.已知一个名为ComPleX的复数类，这个类包含：(1)私有成员：实部、虚部，且均为Et型(2)公有的带默认形参值的构造函数、复制构造函数(3)公有成员函数DiSPlay,其作用为显示复数要求：(1)实现满足上述属性和行为的COmPleX类定义；(2)设计函数AddComplex,函数AddComplex功能为实现两个复数相加，要求该函数的形参为复数类的常引用；(3)保证如下主函数能正确运行，intmain()ComplexcO(2,-3);Complexcl(c);cout<<"clis:"；cl.Display();Complexc2(3,4);cout<<"c2is:"；c2.Display();Complexc3;c3=AddCompIex(c1,c2);cout<<,c3is:',;c3.Display();return0;)且输出结果如下：clis:2-3ic2is:3+4ic3is:5+Ii2.已知表示点的类CPoint和表示线段的C1.ine类，类CPoiIlt包含：(D表达点位置的私有数据成员x,y(2)构造函数及复制构造函数类C1.ine包含：(1)两个CPoEt的点对象(该两点分别为线段的两个端点)(2)构造函数(提示：构造函数中用初始化列表对内嵌对象进行初始化)<3)公有成员函数Get1.Ci,其功能为返回线段的长度(4)类属性成员CoImt用于记录创建的C1.iIIe类对象的个数，及用于显示count值的ShowCount函数；要求：(1)实现满足上述属性和行为的CPoint类及C1.ine类定义；(2)保证如下主函数能正确运行，#include<iostream>usingnamespacestd;intmain()CPointpl(IJ);CPointp2(4,5);C1.inelinel(pl,p2);cout<<11thelengthofIinelis:11<<linel.Get1.en()<<endl;CPointp3(0,0);C1.ineline2(linel);cout<<11Thecountoflineis:"<<C1.ine:ShowCount()<<endl;returnO;)且输出结果如下：ThelengthofIinelis:5Thecountof1.ineis:2继承、派生3.已知Point类的声明如下：#include<iostream>usingnamespacestd;/Point类的声明classPoint(public:外部接口Point();构造函数Point(intxx,intyy);构造函数Point(Point&p);/潸贝构造函数intGetX()constreturnX;intGetY()constreturnY;voidmove(intncwx,intncwy)x=ncwx;y=newy;)-Point()private:私有数据intX,Y；)；classArrayofPointsPoint&element(intindex)assert(index>=O&&index<size);/size为数组大小returnpointsindcx;计算任意两点之间的距离int1.lDistance(intxl,intyl,intx2,inty2)return(abs(xl-x2)+abs(yl-y2);)请给出POint类的构造函数，并参照下图创建动态数组类AlTayOfPOints,实现主函数。请自行补充需要的头文件。主程序intmain()intcount;cout<<,PleaseenterthecountofPoints,<<cndl;cin>>count;ArrayofPointsArrPoints(Count);ArrPoints.element(0).move(5,10);ArrPoints.element(l).move(15,20);cout<<,Thedistanceis”VVelld1;cout<<1.lDistance(ArrPoints.element(0).GetX(),ArrPoints.element(0).GetY(),ArrPoints.element(l).GetX(),ArrPoints.element(l).GetY()<<endl;)参考程序：#include<iostream>#include<math.h>#inc1ude<assert.h>usingnamespacestd;classPoint(public:外部接口Point();构造函数Point(intxx,intyy);/构造函数Point(Point&p);/拷贝构造函数intGetX()const(returnx;)intGetY()const(returny;voidmove(intnewx,intnewy)x=newx;y=newy;)-Point()private:私有数据intx,y;1；Point:Point()x=O;y=O;)Point:Point(intxx,intyy)this->x=xx;this->y=yy;)classArrayofPoints(public:ArrayofPoints(intsize)this->size=size;1-ArrayofPoints()1Point&element(intindex)assert(index>=O&&index<size);/size为数组大小Pointpointsindex;returnpointsindex;private:intsize;1；int1.lDistance(intxl,intyl,intx2,inty2)retum(abs(xI-x2)+abs(y1-y2);intmain()(intcount;cout<<,'PleaseenterthecountofPoints"<<endl;cin>>count;ArrayofPointsArrPoints(Count);ArrPoints.element(0).move(5,10);ArrPoints.element(I).move(15,20);cout<<"Thedistanceis"<<endl;cout<<1.lDistance(ArrPoints.element(0).GetX(),A11*Points.element(0).GetY(),ArrPoints.element(1).GetX(),ArrPoints.element(I).GetY()<<endl;returnO;)4 .定义一个Date类，有整型数据成员year,month,day»成员函数Display用于显示日期；定义DateTime类，从Date类公有派生而来，在DateTime类中增加数据成员hour,mimte,second,设计一个成员函数Display用于显示日期时间信息。参考程序：#inchide<iostream>usingnamespacestd;classDatapublic:Data(intyeaintmonthjntday)this->year=year;this->month=year;this->day=day;cout<<,'Data构造函数被调用！"vvendl;)voidDisplay()COUtVVyealvv”年',vvmonthvv"月n<<day<<nB,<<endl;)intyeamonth,day;)；classDataTiinezpublicDatapublic:DataTime(inta,intb,intc,intd,inte,intf):Data(a,b,c)this->hour=d;this->minute=e;this->second=f;)voidDisplay()CoiItVVyearVV“年"VVmOnthVV"月,<<day<<n日"vvhourvv"时''vvminutevv”分,<<,'¾J>,'<<endl;)private:inthour,minute,second;)；intmain()ZDataA(2016,11,24);/A.Display();DataTimea(2016,11,24,13,50,59);a.Display();returnO;)5 .如图所示：家电电脑相机.Zl智能手机"设计图示中的4个类，其中：电脑类(COmPIltrer)具有frequency,os,ram(CPU主频，操作系统，内存容量)等属性，相机(Camera)具有PiXeI(像素数，如500万，800万等)，从电脑和相机共同派生出智能手机，智能手机(Smobilephone)具有size(屏幕尺寸，如4.5寸，5.5寸等)。家电(Appliance)拥有brand,price(品牌，价格)等属性。构造智能手机类的一个实例，并通过该实例调用其成员ShoWO显示其继承自基类和自身的所有属性信息。参考程序：#incliide<iostream>usingnamespacestd;classAppliancepublic:ApplianceCcharc,floatd)this->brand=c;this->price=d;)-Appliance()charGetbrand()returnbrand;)floatGctprice()returnprice;private:charbrand;floatprice;)；classCoinputerjvirtualpublicAppliance(public:Computcr(floata,charb,intc,chard,floate):Appliancc(d,e)this->frequency=a;this->os=b;this->ran=c;)Computer()floatGetfrequency()returnfrequency;)charGetos()returnos;)intGetran()returnran;)private:11oatfrequency;charos;intran;)；classCamerazvirtualApplianccpublic:Camera(inta,chardJloate):Appliancc(d,e)this->pixel=a;)intGetpixel()returnpixel;)private:intpixel;);classSmobilephonezpublicComputcpublicCamerapublic:Smobilephonc(floata,charb,i11tc,char