명품 C++ Programming 실습문제 8장 3번

#include <iostream>
#include <string>
using namespace std;
 
class Point {
    int x, y;
public:
    Point(int x, int y) { this->x = x; this->y = y; }
    int getX() { return x;}
    int getY() { return y;}
protected:
    void move(int x, int y) { this->x = x; this->y = y; }
};
 
class ColorPoint:public Point {
    string color;
public:
    ColorPoint(int x, int y, string color) :Point(x, y) { this->color = color; }
    void setPoint(int x, int y) { move(x, y); }
    void setColor(string color) { this->color = color; }
    void show() { cout << color << "색으로 (" << getX() << ", " << getY() << ")에 위치한 점입니다.\n"; }
};
 
int main() {
    ColorPoint cp(5, 5, "RED");
    cp.setPoint(10, 20);
    cp.setColor("BLUE");
    cp.show();
}