C언어 카운터 프로그램 (ver.2)

#include <iostream>
#include <string>
using namespace std;

class Counter
{
private:
        int base, top, step, current;
public:
        Counter(){base=0; top=10; step=1; current=0;}
        void countUp(){current+=step;}
        void countUp(int a);
        void countDown(){current-=step;}
        void print(){
                cout<<"기본값 : "<<base<<endl;
                cout<<"최대값 : "<<top<<endl;
                cout<<"간 격 : "<<step<<endl;
                cout<<"현재값 : "<<current<<endl;
        }
        int getCurrent(){return current;}

};

void Counter::countUp(int a)
{
        if((current+a)>top)
                cout<<"증가하려는 값이 최대값보다 커서 증가 불가능!";
        else
                current+=a;


        
}

int main()
{
        Counter my;
        my.print();
        my.countUp(5);

        cout<<"증가한 현재 값 : "<<my.getCurrent()<<endl;

        return 0;
}