From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001 From: Sven Eisenhauer Date: Fri, 10 Nov 2023 15:11:48 +0100 Subject: add new repo --- .../Codebeispiele/2_ch10/fig10_13_20/Fig10_20.cpp | 120 +++++++++++++++++++++ .../Codebeispiele/2_ch10/fig10_13_20/circle.cpp | 81 ++++++++++++++ .../Codebeispiele/2_ch10/fig10_13_20/circle.h | 47 ++++++++ .../Codebeispiele/2_ch10/fig10_13_20/cylinder.cpp | 75 +++++++++++++ .../Codebeispiele/2_ch10/fig10_13_20/cylinder.h | 46 ++++++++ .../Codebeispiele/2_ch10/fig10_13_20/point.cpp | 72 +++++++++++++ .../Prog2/Codebeispiele/2_ch10/fig10_13_20/point.h | 45 ++++++++ .../Codebeispiele/2_ch10/fig10_13_20/shape.cpp | 36 +++++++ .../Prog2/Codebeispiele/2_ch10/fig10_13_20/shape.h | 41 +++++++ 9 files changed, 563 insertions(+) create mode 100644 Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/Fig10_20.cpp create mode 100644 Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/circle.cpp create mode 100644 Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/circle.h create mode 100644 Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/cylinder.cpp create mode 100644 Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/cylinder.h create mode 100644 Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/point.cpp create mode 100644 Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/point.h create mode 100644 Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/shape.cpp create mode 100644 Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/shape.h (limited to 'Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20') diff --git a/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/Fig10_20.cpp b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/Fig10_20.cpp new file mode 100644 index 0000000..2ce0553 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/Fig10_20.cpp @@ -0,0 +1,120 @@ +// Fig. 10.20: fig10_20.cpp +// Driver for shape, point, circle, cylinder hierarchy. +#include + +using std::cout; +using std::endl; +using std::fixed; + +#include + +using std::setprecision; + +#include + +using std::vector; + +#include "shape.h" // Shape class definition +#include "point.h" // Point class definition +#include "circle.h" // Circle class definition +#include "cylinder.h" // Cylinder class definition + +void virtualViaPointer( const Shape * ); +void virtualViaReference( const Shape & ); + +int main() +{ + // set floating-point number format + cout << fixed << setprecision( 2 ); + + Point point( 7, 11 ); // create a Point + Circle circle( 22, 8, 3.5 ); // create a Circle + Cylinder cylinder( 10, 10, 3.3, 10 ); // create a Cylinder + + cout << point.getName() << ": "; // static binding + point.print(); // static binding + cout << '\n'; + + cout << circle.getName() << ": "; // static binding + circle.print(); // static binding + cout << '\n'; + + cout << cylinder.getName() << ": "; // static binding + cylinder.print(); // static binding + cout << "\n\n"; + + // create vector of three base-class pointers + vector< Shape * > shapeVector( 3 ); + + // aim shapeVector[0] at derived-class Point object + shapeVector[ 0 ] = &point; + + // aim shapeVector[1] at derived-class Circle object + shapeVector[ 1 ] = &circle; + + // aim shapeVector[2] at derived-class Cylinder object + shapeVector[ 2 ] = &cylinder; + + // loop through shapeVector and call virtualViaPointer + // to print the shape name, attributes, area and volume + // of each object using dynamic binding + cout << "\nVirtual function calls made off " + << "base-class pointers:\n\n"; + + for ( int i = 0; i < shapeVector.size(); i++ ) + virtualViaPointer( shapeVector[ i ] ); + + // loop through shapeVector and call virtualViaReference + // to print the shape name, attributes, area and volume + // of each object using dynamic binding + cout << "\nVirtual function calls made off " + << "base-class references:\n\n"; + + for ( int j = 0; j < shapeVector.size(); j++ ) + virtualViaReference( *shapeVector[ j ] ); + + return 0; + +} // end main + +// make virtual function calls off a base-class pointer +// using dynamic binding +void virtualViaPointer( const Shape *baseClassPtr ) +{ + cout << baseClassPtr->getName() << ": "; + + baseClassPtr->print(); + + cout << "\narea is " << baseClassPtr->getArea() + << "\nvolume is " << baseClassPtr->getVolume() + << "\n\n"; + +} // end function virtualViaPointer + +// make virtual function calls off a base-class reference +// using dynamic binding +void virtualViaReference( const Shape &baseClassRef ) +{ + cout << baseClassRef.getName() << ": "; + + baseClassRef.print(); + + cout << "\narea is " << baseClassRef.getArea() + << "\nvolume is " << baseClassRef.getVolume() << "\n\n"; + +} // end function virtualViaReference + +/************************************************************************** + * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice * + * Hall. All Rights Reserved. * + * * + * DISCLAIMER: The authors and publisher of this book have used their * + * best efforts in preparing the book. These efforts include the * + * development, research, and testing of the theories and programs * + * to determine their effectiveness. The authors and publisher make * + * no warranty of any kind, expressed or implied, with regard to these * + * programs or to the documentation contained in these books. The authors * + * and publisher shall not be liable in any event for incidental or * + * consequential damages in connection with, or arising out of, the * + * furnishing, performance, or use of these programs. * + *************************************************************************/ \ No newline at end of file diff --git a/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/circle.cpp b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/circle.cpp new file mode 100644 index 0000000..b8f6f59 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/circle.cpp @@ -0,0 +1,81 @@ +// Fig. 10.17: circle.cpp +// Circle class member-function definitions. +#include + +using std::cout; + +#include "circle.h" // Circle class definition + +// default constructor +Circle::Circle( int xValue, int yValue, double radiusValue ) + : Point( xValue, yValue ) // call base-class constructor +{ + setRadius( radiusValue ); + +} // end Circle constructor + +// set radius +void Circle::setRadius( double radiusValue ) +{ + radius = ( radiusValue < 0.0 ? 0.0 : radiusValue ); + +} // end function setRadius + +// return radius +double Circle::getRadius() const +{ + return radius; + +} // end function getRadius + +// calculate and return diameter +double Circle::getDiameter() const +{ + return 2 * getRadius(); + +} // end function getDiameter + +// calculate and return circumference +double Circle::getCircumference() const +{ + return 3.14159 * getDiameter(); + +} // end function getCircumference + +// override virtual function getArea: return area of Circle +double Circle::getArea() const +{ + return 3.14159 * getRadius() * getRadius(); + +} // end function getArea + +// override virutual function getName: return name of Circle +string Circle::getName() const +{ + return "Circle"; + +} // end function getName + +// override virtual function print: output Circle object +void Circle::print() const +{ + cout << "center is "; + Point::print(); // invoke Point's print function + cout << "; radius is " << getRadius(); + +} // end function print + +/************************************************************************** + * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice * + * Hall. All Rights Reserved. * + * * + * DISCLAIMER: The authors and publisher of this book have used their * + * best efforts in preparing the book. These efforts include the * + * development, research, and testing of the theories and programs * + * to determine their effectiveness. The authors and publisher make * + * no warranty of any kind, expressed or implied, with regard to these * + * programs or to the documentation contained in these books. The authors * + * and publisher shall not be liable in any event for incidental or * + * consequential damages in connection with, or arising out of, the * + * furnishing, performance, or use of these programs. * + *************************************************************************/ \ No newline at end of file diff --git a/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/circle.h b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/circle.h new file mode 100644 index 0000000..6d6877c --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/circle.h @@ -0,0 +1,47 @@ +// Fig. 10.16: circle.h +// Circle class contains x-y coordinate pair and radius. +#ifndef CIRCLE_H +#define CIRCLE_H + +#include "point.h" // Point class definition + +class Circle : public Point { + +public: + + // default constructor + Circle( int = 0, int = 0, double = 0.0 ); + + void setRadius( double ); // set radius + double getRadius() const; // return radius + + double getDiameter() const; // return diameter + double getCircumference() const; // return circumference + virtual double getArea() const; // return area + + // return name of shape (i.e., "Circle") + virtual string getName() const; + + virtual void print() const; // output Circle object + +private: + double radius; // Circle's radius + +}; // end class Circle + +#endif + +/************************************************************************** + * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice * + * Hall. All Rights Reserved. * + * * + * DISCLAIMER: The authors and publisher of this book have used their * + * best efforts in preparing the book. These efforts include the * + * development, research, and testing of the theories and programs * + * to determine their effectiveness. The authors and publisher make * + * no warranty of any kind, expressed or implied, with regard to these * + * programs or to the documentation contained in these books. The authors * + * and publisher shall not be liable in any event for incidental or * + * consequential damages in connection with, or arising out of, the * + * furnishing, performance, or use of these programs. * + *************************************************************************/ diff --git a/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/cylinder.cpp b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/cylinder.cpp new file mode 100644 index 0000000..7c51113 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/cylinder.cpp @@ -0,0 +1,75 @@ +// Fig. 10.19: cylinder.cpp +// Cylinder class inherits from class Circle. +#include + +using std::cout; + +#include "cylinder.h" // Cylinder class definition + +// default constructor +Cylinder::Cylinder( int xValue, int yValue, double radiusValue, + double heightValue ) + : Circle( xValue, yValue, radiusValue ) +{ + setHeight( heightValue ); + +} // end Cylinder constructor + +// set Cylinder's height +void Cylinder::setHeight( double heightValue ) +{ + height = ( heightValue < 0.0 ? 0.0 : heightValue ); + +} // end function setHeight + +// get Cylinder's height +double Cylinder::getHeight() const +{ + return height; + +} // end function getHeight + +// override virtual function getArea: return Cylinder area +double Cylinder::getArea() const +{ + return 2 * Circle::getArea() + // code reuse + getCircumference() * getHeight(); + +} // end function getArea + +// override virtual function getVolume: return Cylinder volume +double Cylinder::getVolume() const +{ + return Circle::getArea() * getHeight(); // code reuse + +} // end function getVolume + +// override virtual function getName: return name of Cylinder +string Cylinder::getName() const +{ + return "Cylinder"; + +} // end function getName + +// override virtual function print: output Cylinder object +void Cylinder::print() const +{ + Circle::print(); // code reuse + cout << "; height is " << getHeight(); + +} // end function print + +/************************************************************************** + * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice * + * Hall. All Rights Reserved. * + * * + * DISCLAIMER: The authors and publisher of this book have used their * + * best efforts in preparing the book. These efforts include the * + * development, research, and testing of the theories and programs * + * to determine their effectiveness. The authors and publisher make * + * no warranty of any kind, expressed or implied, with regard to these * + * programs or to the documentation contained in these books. The authors * + * and publisher shall not be liable in any event for incidental or * + * consequential damages in connection with, or arising out of, the * + * furnishing, performance, or use of these programs. * + *************************************************************************/ \ No newline at end of file diff --git a/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/cylinder.h b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/cylinder.h new file mode 100644 index 0000000..f20d624 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/cylinder.h @@ -0,0 +1,46 @@ +// Fig. 10.18: cylinder.h +// Cylinder class inherits from class Circle. +#ifndef CYLINDER_H +#define CYLINDER_H + +#include "circle.h" // Circle class definition + +class Cylinder : public Circle { + +public: + + // default constructor + Cylinder( int = 0, int = 0, double = 0.0, double = 0.0 ); + + void setHeight( double ); // set Cylinder's height + double getHeight() const; // return Cylinder's height + + virtual double getArea() const; // return Cylinder's area + virtual double getVolume() const; // return Cylinder's volume + + // return name of shape (i.e., "Cylinder" ) + virtual string getName() const; + + virtual void print() const; // output Cylinder + +private: + double height; // Cylinder's height + +}; // end class Cylinder + +#endif + +/************************************************************************** + * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice * + * Hall. All Rights Reserved. * + * * + * DISCLAIMER: The authors and publisher of this book have used their * + * best efforts in preparing the book. These efforts include the * + * development, research, and testing of the theories and programs * + * to determine their effectiveness. The authors and publisher make * + * no warranty of any kind, expressed or implied, with regard to these * + * programs or to the documentation contained in these books. The authors * + * and publisher shall not be liable in any event for incidental or * + * consequential damages in connection with, or arising out of, the * + * furnishing, performance, or use of these programs. * + *************************************************************************/ \ No newline at end of file diff --git a/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/point.cpp b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/point.cpp new file mode 100644 index 0000000..3f63c81 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/point.cpp @@ -0,0 +1,72 @@ +// Fig. 10.15: point.cpp +// Point class member-function definitions. +#include + +using std::cout; + +#include "point.h" // Point class definition + +// default constructor +Point::Point( int xValue, int yValue ) + : x( xValue ), y( yValue ) +{ + // empty body + +} // end Point constructor + +// set x in coordinate pair +void Point::setX( int xValue ) +{ + x = xValue; // no need for validation + +} // end function setX + +// return x from coordinate pair +int Point::getX() const +{ + return x; + +} // end function getX + +// set y in coordinate pair +void Point::setY( int yValue ) +{ + y = yValue; // no need for validation + +} // end function setY + +// return y from coordinate pair +int Point::getY() const +{ + return y; + +} // end function getY + +// override pure virtual function getName: return name of Point +string Point::getName() const +{ + return "Point"; + +} // end function getName + +// override pure virtual function print: output Point object +void Point::print() const +{ + cout << '[' << getX() << ", " << getY() << ']'; + +} // end function print + +/************************************************************************** + * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice * + * Hall. All Rights Reserved. * + * * + * DISCLAIMER: The authors and publisher of this book have used their * + * best efforts in preparing the book. These efforts include the * + * development, research, and testing of the theories and programs * + * to determine their effectiveness. The authors and publisher make * + * no warranty of any kind, expressed or implied, with regard to these * + * programs or to the documentation contained in these books. The authors * + * and publisher shall not be liable in any event for incidental or * + * consequential damages in connection with, or arising out of, the * + * furnishing, performance, or use of these programs. * + *************************************************************************/ \ No newline at end of file diff --git a/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/point.h b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/point.h new file mode 100644 index 0000000..264b37b --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/point.h @@ -0,0 +1,45 @@ +// Fig. 10.14: point.h +// Point class definition represents an x-y coordinate pair. +#ifndef POINT_H +#define POINT_H + +#include "shape.h" // Shape class definition + +class Point : public Shape { + +public: + Point( int = 0, int = 0 ); // default constructor + + void setX( int ); // set x in coordinate pair + int getX() const; // return x from coordinate pair + + void setY( int ); // set y in coordinate pair + int getY() const; // return y from coordinate pair + + // return name of shape (i.e., "Point" ) + virtual string getName() const; + + virtual void print() const; // output Point object + +private: + int x; // x part of coordinate pair + int y; // y part of coordinate pair + +}; // end class Point + +#endif + +/************************************************************************** + * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice * + * Hall. All Rights Reserved. * + * * + * DISCLAIMER: The authors and publisher of this book have used their * + * best efforts in preparing the book. These efforts include the * + * development, research, and testing of the theories and programs * + * to determine their effectiveness. The authors and publisher make * + * no warranty of any kind, expressed or implied, with regard to these * + * programs or to the documentation contained in these books. The authors * + * and publisher shall not be liable in any event for incidental or * + * consequential damages in connection with, or arising out of, the * + * furnishing, performance, or use of these programs. * + *************************************************************************/ \ No newline at end of file diff --git a/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/shape.cpp b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/shape.cpp new file mode 100644 index 0000000..125ea79 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/shape.cpp @@ -0,0 +1,36 @@ +// Fig. 10.13: shape.cpp +// Shape class member-function definitions. +#include + +using std::cout; + +#include "shape.h" // Shape class definition + +// return area of shape; 0.0 by default +double Shape::getArea() const +{ + return 0.0; + +} // end function getArea + +// return volume of shape; 0.0 by default +double Shape::getVolume() const +{ + return 0.0; + +} // end function getVolume + +/************************************************************************** + * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice * + * Hall. All Rights Reserved. * + * * + * DISCLAIMER: The authors and publisher of this book have used their * + * best efforts in preparing the book. These efforts include the * + * development, research, and testing of the theories and programs * + * to determine their effectiveness. The authors and publisher make * + * no warranty of any kind, expressed or implied, with regard to these * + * programs or to the documentation contained in these books. The authors * + * and publisher shall not be liable in any event for incidental or * + * consequential damages in connection with, or arising out of, the * + * furnishing, performance, or use of these programs. * + *************************************************************************/ \ No newline at end of file diff --git a/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/shape.h b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/shape.h new file mode 100644 index 0000000..0c929a5 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/2_ch10/fig10_13_20/shape.h @@ -0,0 +1,41 @@ +// Fig. 10.12: shape.h +// Shape abstract-base-class definition. +#ifndef SHAPE_H +#define SHAPE_H + +#include // C++ standard string class + +using std::string; + +class Shape { + +public: + + // virtual function that returns shape area + virtual double getArea() const; + + // virtual function that returns shape volume + virtual double getVolume() const; + + // pure virtual functions; overridden in derived classes + virtual string getName() const = 0; // return shape name + virtual void print() const = 0; // output shape + +}; // end class Shape + +#endif + +/************************************************************************** + * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice * + * Hall. All Rights Reserved. * + * * + * DISCLAIMER: The authors and publisher of this book have used their * + * best efforts in preparing the book. These efforts include the * + * development, research, and testing of the theories and programs * + * to determine their effectiveness. The authors and publisher make * + * no warranty of any kind, expressed or implied, with regard to these * + * programs or to the documentation contained in these books. The authors * + * and publisher shall not be liable in any event for incidental or * + * consequential damages in connection with, or arising out of, the * + * furnishing, performance, or use of these programs. * + *************************************************************************/ \ No newline at end of file -- cgit v1.2.3