protderi.cpp

C++ 多级继承示例

最新推荐文章于 2025-03-29 19:54:45 发布

原创最新推荐文章于 2025-03-29 19:54:45 发布 · 394 阅读

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name="google_ads_frame" marginwidth="0" marginheight="0" src="http://pagead2.googlesyndication.com/pagead/ads?client=ca-pub-5572165936844014&dt=1194442938015&lmt=1194190197&format=336x280_as&output=html&correlator=1194442937843&url=file%3A%2F%2F%2FC%3A%2FDocuments%2520and%2520Settings%2Flhh1%2F%E6%A1%8C%E9%9D%A2%2FCLanguage.htm&color_bg=FFFFFF&color_text=000000&color_link=000000&color_url=FFFFFF&color_border=FFFFFF&ad_type=text&ga_vid=583001034.1194442938&ga_sid=1194442938&ga_hid=1942779085&flash=9&u_h=768&u_w=1024&u_ah=740&u_aw=1024&u_cd=32&u_tz=480&u_java=true" frameborder="0" width="336" scrolling="no" height="280" allowtransparency="allowtransparency"> #include <iostream.h>
#include <string.h>

class Base
{
public:
    Base(char *str) { strcpy(message, str); };
    void show_base(void) { cout << message << endl; };
protected:
    char message[256];
};

class Level1 : public Base
{
public:
    Level1(char *str, char *base) : Base(base) {
      strcpy(message, str);};
    void show_level1(void) { cout << message << endl; } ;
protected:
    char message[256];
};

class Lowest : public Level1
{
public:
    Lowest(char *str, char *level1, char *base) :
      Level1(level1, base) { strcpy(message, str); };
    void show_lowest(void)
{
       show_base();
       show_level1();
       cout << message << endl;
};
protected:
    char message[256];
};

void main(void)
{
   Lowest bottom("Lowest message", "Level1 message", "Base message");

   bottom.show_lowest();
}