类的const成员变量

//const_array.h
#include <iostream>
using namespace std;

class Base{
public:
    Base() : _cia(1){cout << "Base constructor was called" << endl;}
    void get();
private:
    const int _cia;
    static const int _ciaa[10];
};

class Derive : public Base{
};

//const_array.cpp
const int Base::_ciaa[10] = {0,1,2,3,4,5,6,7,8,9};

void
Base::get()
{
    cout << "the value of _cia is: " << _cia << endl;
    cout << "the value of _ciaa is: " << endl;
    for(int i = 0; i < 10 ; i++)
        cout << _ciaa[i] << endl;
}

//const_array_client.cpp
#include <iostream>
#include "const_array.h"
using namespace std;

int main(){
    Derive d;
    d.get();

    return 0;
}

Base constructor was called
the value of _cia is: 1
the value of _ciaa is:
0
1
2
3
4
5
6
7
8
9