#include <iostream>
using namespace std;
class point{
float x;
protected:
float y;
public:
float z;
point(float x,float y,float z){
this -> x = x;this -> y =y;this -> z =z;
}
void setx(float x){this -> x = x;}
void sety(float y){this -> y = y;}
float getx(){return x;}
float gety(){return y;}
void showp(){
cout << '(' << x <<','<< y <<','<< z << ')' ;//在公有继承的派生类中,直接访问基类的保护成员y和公有成员z;但是不能直接访问基类的私有成员x
}
};
class sphere :public point{
float radius;
public:
sphere(float x,float y,float z,float r):point(x,y,z){
radius = r;
}
void shows(){
cout << '(' << getx() <<',' << y << ',' << z << ")," << radius << endl;
}
} ;//公有继承point类,派生类sphere类;
int main()
{
sphere s(1,2,3,4);
s.shows();
cout << '(' << s.getx() <<',' <<s.gety() <<','<< s.z <<")\n";//派生类对象s只能访问类中的公有成员不访问类中的私有成员和保护成员
return 0;
}
using namespace std;
class point{
float x;
protected:
float y;
public:
float z;
point(float x,float y,float z){
this -> x = x;this -> y =y;this -> z =z;
}
void setx(float x){this -> x = x;}
void sety(float y){this -> y = y;}
float getx(){return x;}
float gety(){return y;}
void showp(){
cout << '(' << x <<','<< y <<','<< z << ')' ;//在公有继承的派生类中,直接访问基类的保护成员y和公有成员z;但是不能直接访问基类的私有成员x
}
};
class sphere :public point{
float radius;
public:
sphere(float x,float y,float z,float r):point(x,y,z){
radius = r;
}
void shows(){
cout << '(' << getx() <<',' << y << ',' << z << ")," << radius << endl;
}
} ;//公有继承point类,派生类sphere类;
int main()
{
sphere s(1,2,3,4);
s.shows();
cout << '(' << s.getx() <<',' <<s.gety() <<','<< s.z <<")\n";//派生类对象s只能访问类中的公有成员不访问类中的私有成员和保护成员
return 0;
}