#include <iostream>
using namespace std;
class counter
{
public :
counter (int number);
void increment(); //+1
void decrement(); //-1
int getvalue();//获取私有成员的值
int print(); //打印私有成员的值
private:
int value;
};
counter::counter(int number)
{
value=number;
}
void counter::increment()
{
value=value+1;
}
void counter::decrement()
{
value=value-1;
}
int counter::print()
{
cout<<"value=="<<value<<endl;
return 0;
}
int counter::getvalue()
{
return value;
}
int main()
{
counter c1(5);
c1.decrement();
c1.print();
return 0;
}