[b][b]#include <iostream.h>
const int i = 0;
class Part
{
public :
    Part (int x);
    void Print ();
private :
    int Partval;
};
class Whole
{
public :
    Whole (int i,int j,int k);
    void Print ();
private :
    Part one;
    Part two;
    Part three;
    int date1;
    int date2;
    int date3;
};
Part :: Part (int x)
{
    Partval = x;
    cout << " Part 类的私有成员 Partval 构造完成 ;  Partval = " << Partval << endl << endl;
}
Whole :: Whole (int i,int j,int k) : one (i),two (j),three (k)
{
    date1 = i;
    date2 = j;
    date3 = k;
}
void main()
{
    Part PartA (1);
    Whole WholeB (2,3,4);
    PartA.Print ();
    WholeB.Print ();
}
void Part :: Print ()
{
    cout << "Partval = " << Partval << endl << endl;
}
void Whole :: Print ()
{
    cout << " Whole 类的私有成员 date1 date2 date3 分别构造完成；" << endl;
    cout << "date1 = " << date1 << " ";
    cout << "date2 = " << date2 << " ";
    cout << "date3 = " << date3 << endl << endl;
    cout << "同时 Part 类成员 ont two date 也构造完成" << endl;
    cout << "Partone = " << one << " ";
    cout << "Parttwo = " << two << " ";
    cout << "Parthree = " << three << endl;
}




如果将最后三个 cout 随便输出个别的什么，代码就通过了。比如 cout << "sdf" << endl;  但是写这三个就不行，刚学 组合类构造函数，请大家帮帮小弟。

你说的是 加入友员？....我了个擦，老师目前就教了我们重载函数，重载操作符，我还是真没听过，你能跟我详细点解释下么。