demo_constructor_04.cpp

对于一个初涉VC＋＋的人来书

//***************************************************

# include <iostream.h>

class Tdate
{
public:
	Tdate(int m=1,int d=23,int y=2005)
	{
		month=m;
		day=d;
		year=y;
		cout<<month<<"/"<<day<<"/"<<year<<endl;
	}

protected:
	int month;
	int day;
	int year;
};

void main()
{
	Tdate aday;
	Tdate bday(2);
	Tdate cday(3,23);
	Tdate dday(4,23,2005);
}