派生类中的构造函数与析构函数

[cpp]
#include
using namespace std;
class Part //部件类
{
public:
Part();
Part(int i);
~Part();
private:
int val;
};
class Whole: public Part
{
public:
Whole();
Whole(int,int,int,int);
~Whole();
private:
Part one;
Part two;
int data;
};
Part::Part()
{
val=0;
cout<<"The default constructor of part was called "< }
Part::Part(int i)
{
val=i;
cout<<"The constructor of part was called "< }
Part::~Part()
{
cout<<"The destructor 33 of part was called "< }
Whole::Whole()
{
data=0;
cout<<"The default constructor of whole was called "< }
Whole::Whole(int p, int i,int j,int k):Part(p), two(i),one(j),data(k)
{
cout<<"The constructor of whole was called "< }
Whole::~Whole()
{
cout<<"The destructor 33 of whole was called "< }

int main()
{
Whole w1;
Whole w2(1,2,3,4);
return 0;
}

#include
using namespace std;
class Part //部件类
{
public:
Part();
Part(int i);
~Part();
private:
int val;
};
class Whole: public Part
{
public:
Whole();
Whole(int,int,int,int);
~Whole();
private:
Part one;
Part two;
int data;
};
Part::Part()
{
val=0;
cout<<"The default constructor of part was called "< }
Part::Part(int i)
{
val=i;
cout<<"The constructor of part was called "< }
Part::~Part()
{
cout<<"The destructor 33 of part was called "< }
Whole::Whole()
{
data=0;
cout<<"The default constructor of whole was called "< }
Whole::Whole(int p, int i,int j,int k):Part(p), two(i),one(j),data(k)
{
cout<<"The constructor of whole was called "< }
Whole::~Whole()
{
cout<<"The destructor 33 of whole was called "< }

int main()
{
Whole w1;
Whole w2(1,2,3,4);
return 0;
}