birdclassdataaccess.cpp

来自「C++ sample code, for the book: C++ blac」· C++ 代码 · 共 44 行

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

class bird_class {     
private:
    int number_seen;        
public:         
    string name;              
    void increment_count(){number_seen++;}
    bird_class(string text);
    int bird_class::get_number() const;
    void bird_class::set_number(int new_number);
};

bird_class::bird_class(string text)
{
    name = text;
    number_seen = 0;
}

int bird_class::get_number() const
{
    return number_seen;
}

void bird_class::set_number(int new_number)
{
    number_seen = new_number;
}

int main()
{
    bird_class orioles("oriole");

    orioles.increment_count();

    cout << "Number of " << orioles.name << "s seen: " << orioles.get_number() << endl;

    return 0;
}