Point, circle, and cylindrical

Print? /* Copyright (c) 2012, computer College, Yantai University
* All rights reserved.
* File name: text. cpp
* Author: Hu Ying
* Completion date: January 1, May 20, 2013
* Version No.: v1.0
*
* Input Description: None
* Problem description: (1) create a Point class, which includes data members x and y (coordinate Point); (2) base class with Point, A Circle class is derived, and the data member (RADIUS) is added. (3) A Cylinder class is derived from the Circle class as the direct base class, then add the data member h (high ). Requires programming, design various basic member functions (including constructor, destructor, public interfaces for modifying data members and getting data members, and heavy-duty operators for output, such as <function), it can be used to process the above objects, and finally obtain the surface area, volume, and output of the cylindrical cylinder.
* Program output: output point, circle information, and cylindrical Information
* Problem Analysis: None
* Algorithm Design: omitted
*/
# Include <iostream>
Using namespace std;
Class Point
{
Public:
Point (double x = 0, double y = 0); // The initialization coordinate is (0, 0)
Double getX () const
{
Return x;
}
Double getY () const
{
Return y;
}
Void setPoint (double, double );
Friend ostream & operator <(ostream &, const Point &);
Protected:
Double x, y;
};
Point: Point (double a, double B)
{
X =;
Y = B;
}
Void Point: setPoint (double a, double B)
{
X =;
Y = B;
}
Ostream & operator <(ostream & output, const Point & p)
{
Output <"point: [" <p. x <"," <p. y <"]" <endl;
Return output;
}
Class Circle: public Point
{
Public:
Circle (double x = 0, double y = 0, double r = 0 );
Void setRadius (double );
Double getRadius () const;
Double area () const;
Friend ostream & operator <(ostream &, const Circle &);
Protected:
Double radius;
};
Circle: Circle (double a, double B, double r): Point (a, B), radius (r ){}
Void Circle: setRadius (double r)
{
Radius = r;
}
Double Circle: getRadius () const
{
Return radius;
}
Double Circle: area () const
{
Return 3.14159 * radius;
}
Ostream & operator <(ostream & output, const Circle & c)
{
Output <"center = [" <c. x <"," <c. y <"], r =" <c. getRadius () <", area =" <c. area () <endl;
Return output;
}
Class Cylinder: public Circle
{
Public:
Cylinder (double x = 0, double y = 0, double r = 0, double h = 0 );
Void setHeight (double );
Double getHeight () const;
Double area () const;
Double volume () const;
Friend ostream & operator <(ostream &, const Cylinder &);
Protected:
Double height;
};
Cylinder: Cylinder (double a, double B, double r, double h): Circle (a, B, r), height (h ){}
Void Cylinder: setHeight (double h)
{
Height = h;
}
Double Cylinder: getHeight () const
{
Return height;
}
Double Cylinder: area () const
{
Return 2 * Circle: area () + 2*3.14159 * radius * height; // calculate the area by using the area function of the Circle member function. The method is Circle: area ()
}
Double Cylinder: volume () const
{
Return Circle: area () * height;
}
Ostream & operator <(ostream & output, const Cylinder & cy)
{
Output <"center = [" <cy. x <"," <cy. y <"], r =" <cy. radius <", h =" <cy. height <", area =" <cy. area () <", volume =" <cy. volume () <endl;
Return output;
}
Int main ()
{
Point p (3.5, 6.4 );
Cout <"x =" <p. getX () <", y =" <p. getY () <endl;
P. setPoint (8.5, 6.8 );
Cout <"p:" <p <endl;
Circle c (1.2, 2.2, 3.2 );
Cout <"original circle: x =" <c. getX () <", y =" <c. getY () <", r =" <c. getRadius () <", area =" <c. area () <endl;
C. setPoint (5, 5 );
Cout <"new circle:" <c;
Cylinder cy1 (1.2, 2.2, 3.2, 4.2 );
Cout <"original Cylinder: x =" <cy1.getX () <", y =" <cy1.getY () <", r =" <cy1.getRadius () <", h =" <cy1.getHeight () <", area =" <cy1.area () <", volume =" <cy1.volume () <endl;
Cy1.setPoint (5, 5 );
Cy1. setradius (2.1 );
Cy1.setHeight (3 );
Cout <"new Cylinder:" <cy1;
Return 0;
}

/* Copyright (c) 2012, computer College, Yantai University
* All rights reserved.
* File name: text. cpp
* Author: Hu Ying
* Completion date: January 1, May 20, 2013
* Version No.: v1.0
*
* Input Description: None
* Problem description: (1) create a Point class, which includes data members x and y (coordinate Point); (2) base class with Point, A Circle class is derived, and the data member (RADIUS) is added. (3) A Cylinder class is derived from the Circle class as the direct base class, then add the data member h (high ). Requires programming, design various basic member functions (including constructor, destructor, public interfaces for modifying data members and getting data members, and heavy-duty operators for output, such as <function), it can be used to process the above objects, and finally obtain the surface area, volume, and output of the cylindrical cylinder.
* Program output: output point, circle information, and cylindrical Information
* Problem Analysis: None
* Algorithm Design: omitted
*/
# Include <iostream>
Using namespace std;
Class Point
{
Public:
Point (double x = 0, double y = 0); // The initialization coordinate is (0, 0)
Double getX () const
{
Return x;
}
Double getY () const
{
Return y;
}
Void setPoint (double, double );
Friend ostream & operator <(ostream &, const Point &);
Protected:
Double x, y;
};
Point: Point (double a, double B)
{
X =;
Y = B;
}
Void Point: setPoint (double a, double B)
{
X =;
Y = B;
}
Ostream & operator <(ostream & output, const Point & p)
{
Output <"point: [" <p. x <"," <p. y <"]" <endl;
Return output;
}
Class Circle: public Point
{
Public:
Circle (double x = 0, double y = 0, double r = 0 );
Void setRadius (double );
Double getRadius () const;
Double area () const;
Friend ostream & operator <(ostream &, const Circle &);
Protected:
Double radius;
};
Circle: Circle (double a, double B, double r): Point (a, B), radius (r ){}
Void Circle: setRadius (double r)
{
Radius = r;
}
Double Circle: getRadius () const
{
Return radius;
}
Double Circle: area () const
{
Return 3.14159 * radius;
}
Ostream & operator <(ostream & output, const Circle & c)
{
Output <"center = [" <c. x <"," <c. y <"], r =" <c. getRadius () <", area =" <c. area () <endl;
Return output;
}
Class Cylinder: public Circle
{
Public:
Cylinder (double x = 0, double y = 0, double r = 0, double h = 0 );
Void setHeight (double );
Double getHeight () const;
Double area () const;
Double volume () const;
Friend ostream & operator <(ostream &, const Cylinder &);
Protected:
Double height;
};
Cylinder: Cylinder (double a, double B, double r, double h): Circle (a, B, r), height (h ){}
Void Cylinder: setHeight (double h)
{
Height = h;
}
Double Cylinder: getHeight () const
{
Return height;
}
Double Cylinder: area () const
{
Return 2 * Circle: area () + 2*3.14159 * radius * height; // calculate the area by using the area function of the Circle member function. The method is Circle: area ()
}
Double Cylinder: volume () const
{
Return Circle: area () * height;
}
Ostream & operator <(ostream & output, const Cylinder & cy)
{
Output <"center = [" <cy. x <"," <cy. y <"], r =" <cy. radius <", h =" <cy. height <", area =" <cy. area () <", volume =" <cy. volume () <endl;
Return output;
}
Int main ()
{
Point p (3.5, 6.4 );
Cout <"x =" <p. getX () <", y =" <p. getY () <endl;
P. setPoint (8.5, 6.8 );
Cout <"p:" <p <endl;
Circle c (1.2, 2.2, 3.2 );
Cout <"original circle: x =" <c. getX () <", y =" <c. getY () <", r =" <c. getRadius () <", area =" <c. area () <endl;
C. setPoint (5, 5 );
Cout <"new circle:" <c;
Cylinder cy1 (1.2, 2.2, 3.2, 4.2 );
Cout <"original Cylinder: x =" <cy1.getX () <", y =" <cy1.getY () <", r =" <cy1.getRadius () <", h =" <cy1.getHeight () <", area =" <cy1.area () <", volume =" <cy1.volume () <endl;
Cy1.setPoint (5, 5 );
Cy1. setradius (2.1 );
Cy1.setHeight (3 );
Cout <"new Cylinder:" <cy1;
Return 0;
}

Running result: