using namespace std;
class Coordinate {
public:
Coordinate()
{
times = 2;
cout << “Coordinate construction1 called!” << endl;
}
Coordinate(int times1)
{
times = times1;
cout << "Coordinate construction2 called!" << endl;
}
~Coordinate()
{
cout << "Coordinate destruction called!" << endl;
}
void InputCood()
{
for (int i = 0; i < times; i++)
{
cout << "Please Input x:" << endl;
cin >> Coord[i][1];
cout << "Please Input y:" << endl;
cin >> Coord[i][2];
}
}
void ShowCoord()
{
cout << "The coord is:" << endl;
for (int i = 0; i < times; i++)
{
cout << "(" << Coord[i][1] << "," << Coord[i][2] << ")" << endl;
}
}
void ShowArgCoord()
{
float avgx = 0;
float avgy = 0;
for (int i = 0; i < times; i++)
{
avgx = avgy + Coord[i][1];
avgy = avgx + Coord[i][2];
}
avgx = avgx / times;
avgy = avgy / times;
cout << "The AVG coord is:" << endl;
cout << "(" << avgx << "," << avgy << ")" << endl;
}
private:
float Coord[100][100];
int times;
};
int main()
{
Coordinate x;
x.InputCood();
x.ShowCoord();
x.ShowArgCoord();
return 0;
}
写入Coordinate y(5);
y.InputCood();
y.ShowCoord();
y.ShowArgCoord();
之前x语句可以输入两组x,y数据，产生两个坐标，输出的是Coordinate construction1 called!
单独执行y语句可以输入5组x,y数据，产生5个坐标，输出的是
Coordinate construction2 called!
一起执行先执行x语句，再执行y语句输出两次Coordinate destruction called!
