C++面向对象程序设计实验报告.doc

面向对象程序设计实验报告 姓名：唐靖琳 学号：200902220117 学校：桂林航天工业高等技术专科学校 指导老师：唐建清 实验2实验题目：用类定义，输入半径和高，输出圆柱体的底面积和体积实验程序代码：【circle.h】#includeusing namespace std;class circleprivate:float r,h;const double pi;public:circle(float x,float y);void print();【circle.cpp】#includecircle.hcircle:circle(float x,float y):pi(3.14)r=x;h=y;void circle:print()cout底面积为：r*r*piendl;cout体积为：r*r*pi*hendl;【main.cpp】#includeusing namespace std;#includecircle.hvoid main()circle a(1,2); a.print();实验结果：底面积为：3.14体积为：6.28实验三实验题目：用类实现计算两点之间的距离。（可以定义点类（Point），再定义一个类（Distance）描述两点之间的距离，其数据成员为两个点类对象，两点之间距离的计算可设计由构造函数来实现。）实验程序代码：【point.h】#includeusing namespace std;#ifndef point_h#define point_hclass pointprivate:int x1;int y1;public:point(int ,int );#endif【point.cpp】#include point.hpoint:point(int x,int y)x1=x;y1=y;【distance.h】#includeusing namespace std;#includepoint.h#include#ifndef distance_h#define distance_hnamespace meclass distanceprivate:point p1;point p2;public:distance(int x1,int x2,int y1,int y2);【distance.cpp】#includeusing namespace std;#include distance.h#include point.hme:distance:distance(int x1,int x2,int y1,int y2):p1(x1,y1),p2(x2,y2)cout”两点间的距离为：”sqrt(x1-x2)*(x1-x2)+(y1-y2)*(y1-y2);【main.cpp】#includeusing namespace std;#includedistance.h#include point.hvoid main()me:distance s(1,2,1,2);实验结果：两点间的距离为：1.41实验四实验题目：定义学生类（姓名，学号），生日类（年，月，日），利用友元类，输出某个学生的姓名，学号，及其生日。实验程序代码：【student.h】#includeusing namespace std;#include birthday.hclass studentprivate:char *name;int ID;public:student(char *s,int n);void print(birthday &a);【birthday.h】#includeusing namespace std;#ifndef bi#define biclass birthdayprivate:int year,mouth,day;friend class student;public:birthday(int x,int y,int z);void print();#endif【student.cpp】#include student.hstudent:student(char *s,int n)ID=n;name=new charstrlen(s)+1;strcpy(name,s);void student:print(birthday &b)cout姓名：nameendl;cout学号：IDendl;cout生日：b.yearb.mouthb.dayendl;【birthday.h】#include birthday.hbirthday:birthday(int x,int y,int z)year=x; mouth=y; day=z;【main.cpp】#includeiostreamusing namespace std;#includestudent.h#includebirthday.h void main()student a(tjl,117);birthday b(1990,9,1);a.print(b);实验结果：姓名：tjl学号：117生日：199091实验五实验题目： student（name,id,total）,total为静态成员，在student中设置静态函数来处理total。在main（）函数中显示name,id,total实验程序代码：【student.h】#includeusing namespace std;class studentprivate:char *name;int id;static int total;public:student(char *na,int id1);void print();static void print1();【total.cpp】#includeusing namespace std;#includestudent.h#includestring.hint student:total=0;student:student(char *na,int id1)id=id1;name=new charstrlen(na)+1;strcpy(name,na);+total;void student:print1()couttotal;void student:print()coutname:nameendl;coutid:idendl;【main.cpp】#includeusing namespace std;#includestudent.hvoid main()student a(tang,61);student b(guo,45);a.print();b.print();student:print1();实验结果：name:tangid:61name:guoid:45实验六实验题目：基类-学生类（姓名，学号），子类-大学生类（专业），继承方式：公有继承，在主函数中显示某个大学生的信息。实验程序代码：【student.h】#includeusing namespace std;#ifndef _st1#define _st1class studentprivate: char *name; int id;public: student();student(char *na,int id1);void print();#endif【student.cpp】#includeusing namespace std;#includestring.h#includestudent.hstudent:student()delete name;student:student(char *na,int id1)id=id1;name=new charstrlen(na)+1;strcpy(name,na);void student:print()coutname:nameendl;coutid:idendl;【cstudent.h】#includeusing namespace std;#includestudent.h#ifndef _cst#define _cstclass cstudent:public studentprivate: char *project;public: cstudent();cstudent(char *na,int id1,char *pro);void print1();#endif【cstudent.cpp】#includeusing namespace std;#includestring.h#includecstudent.h#includestudent.hcstudent:cstudent()delete project;cstudent:cstudent(char *na,int id1,char *pro):student(na,id1)project=new charstrlen(pro)+1;strcpy(project,pro);void cstudent:print1()student:print();coutproject:projectendl;【main.cpp】#includeusing namespace std;#includestring.h#includestudent.h#includecstudent.hmain()cstudent a(tang,17,computer);a.print1();实验结果：name:tangid:17project:conputer实验七实验题目：基类shape,派生类circle(半径R)，tangcle（长a,宽b），它们都有求面积的函数area(),利用虚函数求两个派生类对象的面积实验程序代码：【shape.h】#includeiostreamusing namespace std;#ifndef _shape#define _shapeclass shapepublic:virtual void area();#endif【shape.cpp】#includeshape.hvoid shape:area()【circle.h】#includeshape.hclass circle:public shapeprivate:float r;const float pi;public:circle(float r1);void area(); ;【circle.cpp】#includecircle.hcircle:circle(float r1):pi(3.14)r=r1;void circle:area()coutpi*r*rendl;【tangcle.h】#includeiostream#includeshape.husing namespace std;class tangcle:public shapeprivate:float a,b;public:tangcle(float c,float d);void area();【tangcle.cpp】#includetangcle.htangcle:tangcle(float c, float d)a=c;b=d;void tangcle:area()couta*barea();p=&b;p-area();实验结果：12.5612实验八实验题目：重载减法运算符，使得两个复数可以相减实验程序代码：【complex.h】#include#ifndef _COMPLEX_H#define _COMPLEX_Hclass complexpublic: double a;double b;public:complex(double a,double b);void print();friend void operator -(complex x,complex y);#endif【complex.cpp】#include#includecomplex.h#includestring.hcomplex:complex(double a1,double b1)a=a1;b=b1;【main.cpp】#include#includecomplex.h#includestring.hvoid operator-(complex x,complex y)cout实部是：x.a-y.aendl;cout虚部是：x.b-y.bendl;void main()complex A1(1.0,2.0),A2(3.0,4.0);A1-A2;实验结果：实部是： -2虚部：-2实验九实验题目：将文件text1的内容拷贝到文件text2中实验程序代码：#inc