继承示例

#include "stdafx.h"
#include
using namespace std;

class baseClass
{
public:
 void print() const;

 baseClass();
 baseClass(int x,int y);
 baseClass(int x,int y,char w);

private:
 int u;
 int v;
 char ch;
};

void baseClass::print() const
{
 cout<<"Base Class :u="<}

baseClass::baseClass ()
{
 u=0;
 v=0;
 ch='*';
}

baseClass::baseClass (int x,int y)
{
 u=x;
 v=y;
 ch='*';
}

baseClass::baseClass (int x,int y,char ch)
{
 u=x;
 v=y;
 this->ch=ch;
}

class derivedClass:public baseClass
{
public:
 void print() const;

 derivedClass();
 derivedClass(int x,int y,int one,double two);
 derivedClass(int x,int y,char w,int one,double two);

private:
 int first;
 double second;
};

void derivedClass::print () const
{
 baseClass::print ();//派生类不能直接访问基类的私有成员
 cout<<"Derived Class:firt="<}

derivedClass::derivedClass ()
{
 first=0;
 second=0;
}

derivedClass::derivedClass (int x,int y,int one ,double two)
     :baseClass(x,y)
{
 first=one;
 second=two;
}

derivedClass::derivedClass (int x,int y,char w,
       int one,double two)
       :baseClass(x,y,w)
{
 first=one;
 second=two;
}

int main()
{
 return 0;
}