程序7.9：独立实践.cpp

学习C＋＋的一些范例

/* 程序7.9：独立实践3.cpp：*/
#include<iostream>	
using namespace std;
class Customer		
{
private:
	int iAge;			
public:
	Customer(int x=20);	
	void display();		
};
int main()				
{
	Customer cObj1;			
	cObj1.display();	

	Customer cObj2(21);	
	cObj2.display();		

	Customer cObj3;		
	cObj3=cObj1;
	cObj3.display();	
	return 0;
}							
Customer::Customer(int x)
{
	iAge=x;
}
void Customer::display()
{
	cout<<"\n顾客的年龄是: "<<iAge<<endl;
}