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#include<iostream>
using namespace std;
class Part //部件类
{
public:
Part() {}
Part(int i) {cout<<"Part's construction called"<<endl;}
private:
int val;
};
class Whole
{
public:
Whole();
Whole(int i,int j,int k);
private:
//这三个变量的声明顺序改变,打印输出的结果仍然一样
Part one;
Part two;
int date;
};
Whole::Whole()
{
date=0;
}
Whole::Whole(int i,int j,int k):
one(j),date(k), two(i) //这里的初始化顺序改变,打印输出结果仍然一样
{ cout<<"Whole's construction called!"<<endl; }
int main(void)
{
Whole w(1, 2, 3);
return 1;
}
#include<iostream>
using namespace std;
class Part //部件类
{
public:
Part() {cout<<"Part default construction called"<<endl;}
Part(int i) {cout<<"Part: "<<i<<" construction called"<<endl;}
~Part() {cout<<"Part deconstruction called"<<endl;}
private:
int val;
};
class Whole
{
public:
Whole();
Whole(int i,int j,int k);
~Whole();
private:
//这三个变量的声明顺序改变,打印输出的结果仍然一样
Part one;
Part two;
int date;
};
Whole::Whole()
{ date=0;}
Whole::Whole(int i,int j,int k)
:one(j),date(k),two(i) //这里的初始化顺序按照one(2),date(3),two(1)进行
:/*one(j),*/date(k), two(i) //默认构造one
{ cout<<"Whole's construction called!"<<endl; }
Whole::~Whole()
{
cout<<"Whole deconstruction called!"<<endl;
}
int main(void)
{
Whole w(1, 2, 3);
return 1;
}