+operator+(const COMPLEX &other): COMPLEX
+operator-(const COMPLEX &other) : COMPLEX
+operator-(): COMPLEX
+operator=(const COMPLEX &other) : COMPLEX
运行结果
2. 程序的类结构图为：
T
x,y:int
+T(int a,int b)
+&operator<<(ostream &os,T &a):friend ostream
运行结果
3. 程序的类结构图为：
Shape
+Area():virtual double const
+PrintShapeName():virtual void const +Print():virtual void const
Point
x,y:int
+Point(int=0,int=0)
+SetPoint(int a,int b):void
+GetX():int const
+GetY():int const
+PointShapeName():virtual void const +Print():virtual void const
Circle
radius:double
+Circle(int x=0,int y=0,double r=0.0) +SetRadius(double r):void
+GetRadius():double const
+Area():virtual double const
+Print():virtual void const
+PrintShapeName():virtual void const 运行结果
{
cout<<'['<<x_size<<","<<y_size<<']'<<", "<<'['<<i_size<<","<<j_size<<']'; }
int main()
{
Circle1 circle(0.0,0.0,3.0);
circle.area();
circle.perimeter();
circle.print();
cout<<"\n";
Square1 square(0.0,0.0,3.0,3.0);
square.area();
square.perimeter();
square.print();
cout<<"\n";
cout<<"圆的面积为："<<circle.area()<<endl;
cout<<"圆的周长为："<<circle.perimeter()<<endl;
cout<<"圆的圆心坐标和半径为：";
circle.print();
cout<<"\n\n";
cout<<"正方形的面积为："<<square.area()<<endl;
cout<<"正方形的周长为："<<square.perimeter()<<endl;
cout<<"正方形的中心坐标和一个顶点坐标分别为：";
square.print();
cout<<"\n";
return 0;
}
运行结果
【实例编程】
运行结果。