main.cpp

来自「C++ Source code from a tutorial」· C++ 代码 · 共 38 行

#include <iostream>
#include <stdlib.h>
#include <string>

using namespace std;

class MessedUpWebSite {
private:
    static int siteCount;
public:
    static int getSiteCount();
    string webAddress();
    MessedUpWebSite() { siteCount++; }
    ~MessedUpWebSite() { siteCount--; }
};

int MessedUpWebSite::getSiteCount() {
    return siteCount;
}

int MessedUpWebSite::siteCount = 0;

int main(int argc, char *argv[])
{
    cout << MessedUpWebSite::getSiteCount() << endl;

    MessedUpWebSite inst1;
    cout << MessedUpWebSite::getSiteCount() << endl;
    
    MessedUpWebSite *inst2 = new MessedUpWebSite();
    cout << MessedUpWebSite::getSiteCount() << endl;
    delete inst2;
    cout << MessedUpWebSite::getSiteCount() << endl;
    
    system("PAUSE");	
    return 0;
}