C程序设计教程第一版高等教育出版社课后答案第八章面向对象程序设计基础课后答

1、第八章面相对象程序设计基础、选择题 -4CACC 5AC6- 0DBDCB - 5AABDD二、阅读程序，写出运行结果、conlcalled.con called.mcon3called.a=0,b=0a= 0,b= 0oa=0,b= 0、c055网 5 .35案45w3、答4 后5 a6 课4、d 0, 0 6,6 h 7,95、 kx=0 x= 0 x=7 .三、编程题w、 #includeclassCatprivate:intage;doubleweight;charcolor;public:voidset(inta,doublew,charc)age=a;weight=w;color=

2、c;intgetage()returnage;doublegetweight() returnweight; chargetcolor() returncolor; voidprint() coutage=age,weight=weight,color=colorendl; m;voidmain()oCata,b;a.set(4,7.8,r);cb.set( , .0,y);coutage=a.getage()endl;coutweight=a.getweight()endl;网coutcolor=a.getcolor()s; kvoidout() puts(s); . intlen()cha

3、r*p=s;while(*p!=0)wp+;return(p-s);friendMystringstrcat(Mystrings,Mystrings );Mystringstrcat(Mystrings ,Mystrings )char*p=s .s,*q=s .s;while(*p!=0)p+;while(*q!=0)*p=*q;p+;q+; m *p=0;returns ;ovoidmain()cMystringp ,p,p3;p.in();p .in();网p.out();p.out(); .coutp长度为 p .len()endl;案coutp长度为 p .len()endl;wp3

4、=strcat(p,p );p3.out();后cout连接以后地长度为p3.len()endl;a课d3、 #includeiostream.hclassPointhprivateo:ublex,y;kpublic:Point(doublea,doubleb) x=a;y=b; doublegetx() returnx; doublegety() wreturny; voidmove(doublei,doublej)x+=i;y+=j;classCircle:privatePointprivate:doubler;public:Circle(doublea,doubleb,doublet):

5、Point(a,b) r=t; doublegetr() returnr; doublef ()return(Point:getx();doublef ()m return(Point:gety(); doublearea()return3. 4 59*r*r;o;cvoidmain()PointA( , );CircleB( ,3, );网coutPointAis(A.getx(),A.gety().endl;.A.move(3,);案coutPointAis(A.getx(),A.gety().endl;wcout圆心:(B.f(),B.f(),半径r=B.getr()endl;coutT

6、heareaisB.area()endl; a课 d4、 #includeiostream.hhclasspointprivate:X,Y;kpublic:point(intx=0,inty=0) X=x; Y=y; voidprint()wcout 点地坐标： (X,Y)endl; friendpointoperator+(point&a,point&b);pointoperator+(point&a,point&b)returnpoint(a.X+b.X,a.Y+b.Y);voidmain()pointp (3,4),p (6,8),p3;p .print(); p .print(); p

7、3=p +p ; p3.print(); m5 、#includeiostream.h oclassteacher private: cinthour;public:teacher(inth=0)网 hour=h; .intgeth()案wreturnhour;答后 avoidprint()课 cout 课时数是： hour 小时 endl; virtualintwages() hreturn(0); kclassprofessor:publicteacherpublic:professor(inth):teacher(h) w voidprint() wcout 基本工资是： 3000 元e

8、ndl;cout 课时津贴为： 40 元 / 小时 endl;wteacher:print();virtualintwages() intw=geth(); return(3000+40*w);classassociateprofessor:publicteacherpublic:associateprofessor(inth):teacher(h) voidprint() mcout基本工资是： 500 元endl;cout课时津贴为： 5 元 / 小时 endl;teacher:print();ovirtualintwages()c intw=geth(); return(3000+40*w);网;.classlecturer:publicteacher案public:答wlecturer(inth):teacher(h) 后voidprint()a课cout基本工资是： 000 元endl