继承

///公有继承#include<iostream>#include<string>class person{private:char name[20];int age;bool sex;///0代表女，1代表男public:person(){   strcpy(name, "");   sex = 1;  age = 0 ; }person(char* strName ,bool bSex ,int nAge){setName(strName);setSex(bSex);setAge(nAge);}void setName(char* strName){strcpy(name ,strName);}void setSex(bool bSex){sex = bSex;}void setAge(int nAge){age = nAge;}void display(){using namespace std;cout<<"姓名为:  "<<name<<endl;cout<<"性别为:  "<<(sex == 1 ? "男" : "女")<<endl;cout<<"年龄为:  "<<age<<endl;}};class student : public person{private:char SID[20];public:student(){strcpy(SID,"");}student(char* strName ,bool bSex, int nAge , char* strID){setName(strName);setSex(bSex);setAge(nAge);setSID(strID);}void setSID(char* strID){strcpy(SID ,strID);}void display(){using namespace std;person::display();cout<<"学号为:  "<<SID<<endl;}};void main(){using namespace std;student s1("林燕" , 0 ,25 ,"10061136"),  s2;cout<<"调用s1.person::display()的输出为："<<endl;s1.person::display();cout<<"调用s1.display()的输出为："<<endl;s1.display();cout<<"调用s2.display()的输出为："<<endl;s2.display();s2.setName("王小明");s2.setAge (23);s2.setSex(1);s2.setSID("10061125");cout<<"调用s2.display()的输出为:"<<endl;s2.display();}

///私有继承#include<iostream>#include<string>class person{private:char name[20];int age;bool sex;///0代表女，1代表男public:person(){   strcpy(name, "");   sex = 1;  age = 0 ; }person(char* strName ,bool bSex ,int nAge){setName(strName);setSex(bSex);setAge(nAge);}void setName(char* strName){strcpy(name ,strName);}void setSex(bool bSex){sex = bSex;}void setAge(int nAge){age = nAge;}void display(){using namespace std;cout<<"姓名为:  "<<name<<endl;cout<<"性别为:  "<<(sex == 1 ? "男" : "女")<<endl;cout<<"年龄为:  "<<age<<endl;}};class student : private person{private:char SID[20];public:student(){strcpy(SID,"");}student(char* strName ,bool bSex, int nAge , char* strID){setName(strName);setSex(bSex);setAge(nAge);setSID(strID);}void setSID(char* strID){strcpy(SID ,strID);}void display(){using namespace std;person::display();cout<<"学号为:  "<<SID<<endl;}};void main(){using namespace std;student s1("林燕" , 0 ,25 ,"10061136"),  s2;//cout<<"调用s1.person::display()的输出为："<<endl;//s1.person::display();cout<<"调用s1.display()的输出为："<<endl;s1.display();cout<<"调用s2.display()的输出为："<<endl;s2.display();//s2.setName("王小明");//s2.setAge (23);//s2.setSex(1);s2.setSID("10061125");cout<<"调用s2.display()的输出为:"<<endl;s2.display();}