diff options
Diffstat (limited to 'Bachelor/Prog2/Codebeispiele/1_ch09/Fig09_25_29/ConstructorsAndDestructors')
5 files changed, 295 insertions, 0 deletions
diff --git a/Bachelor/Prog2/Codebeispiele/1_ch09/Fig09_25_29/ConstructorsAndDestructors/circle5.cpp b/Bachelor/Prog2/Codebeispiele/1_ch09/Fig09_25_29/ConstructorsAndDestructors/circle5.cpp new file mode 100644 index 0000000..d37278f --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/1_ch09/Fig09_25_29/ConstructorsAndDestructors/circle5.cpp @@ -0,0 +1,88 @@ +// Fig. 9.28: circle5.cpp
+// Circle5 class member-function definitions.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+#include "circle5.h" // Circle5 class definition
+
+// default constructor
+Circle5::Circle5( int xValue, int yValue, double radiusValue )
+ : Point4( xValue, yValue ) // call base-class constructor
+{
+ setRadius( radiusValue );
+
+ cout << "Circle5 constructor: ";
+ print();
+ cout << endl;
+
+} // end Circle5 constructor
+
+// destructor
+Circle5::~Circle5()
+{
+ cout << "Circle5 destructor: ";
+ print();
+ cout << endl;
+
+} // end Circle5 destructor
+
+// set radius
+void Circle5::setRadius( double radiusValue )
+{
+ radius = ( radiusValue < 0.0 ? 0.0 : radiusValue );
+
+} // end function setRadius
+
+// return radius
+double Circle5::getRadius() const
+{
+ return radius;
+
+} // end function getRadius
+
+// calculate and return diameter
+double Circle5::getDiameter() const
+{
+ return 2 * getRadius();
+
+} // end function getDiameter
+
+// calculate and return circumference
+double Circle5::getCircumference() const
+{
+ return 3.14159 * getDiameter();
+
+} // end function getCircumference
+
+// calculate and return area
+double Circle5::getArea() const
+{
+ return 3.14159 * getRadius() * getRadius();
+
+} // end function getArea
+
+// output Circle5 object
+void Circle5::print() const
+{
+ cout << "Center = ";
+ Point4::print(); // invoke Point4's print function
+ cout << "; Radius = " << 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/1_ch09/Fig09_25_29/ConstructorsAndDestructors/circle5.h b/Bachelor/Prog2/Codebeispiele/1_ch09/Fig09_25_29/ConstructorsAndDestructors/circle5.h new file mode 100644 index 0000000..e2d8e78 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/1_ch09/Fig09_25_29/ConstructorsAndDestructors/circle5.h @@ -0,0 +1,45 @@ +// Fig. 9.27: circle5.h
+// Circle5 class contains x-y coordinate pair and radius.
+#ifndef CIRCLE5_H
+#define CIRCLE5_H
+
+#include "point4.h" // Point4 class definition
+
+class Circle5 : public Point4 {
+
+public:
+
+ // default constructor
+ Circle5( int = 0, int = 0, double = 0.0 );
+
+ ~Circle5(); // destructor
+ void setRadius( double ); // set radius
+ double getRadius() const; // return radius
+
+ double getDiameter() const; // return diameter
+ double getCircumference() const; // return circumference
+ double getArea() const; // return area
+
+ void print() const; // output Circle5 object
+
+private:
+ double radius; // Circle5's radius
+
+}; // end class Circle5
+
+#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/1_ch09/Fig09_25_29/ConstructorsAndDestructors/fig09_29.cpp b/Bachelor/Prog2/Codebeispiele/1_ch09/Fig09_25_29/ConstructorsAndDestructors/fig09_29.cpp new file mode 100644 index 0000000..634348a --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/1_ch09/Fig09_25_29/ConstructorsAndDestructors/fig09_29.cpp @@ -0,0 +1,44 @@ +// Fig. 9.29: fig09_29.cpp
+// Display order in which base-class and derived-class
+// constructors are called.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+#include "circle5.h" // Circle5 class definition
+
+int main()
+{
+ { // begin new scope
+
+ Point4 point( 11, 22 );
+
+ } // end scope
+
+ cout << endl;
+ Circle5 circle1( 72, 29, 4.5 );
+
+ cout << endl;
+ Circle5 circle2( 5, 5, 10 );
+
+ cout << endl;
+
+ return 0; // indicates successful termination
+
+} // end main
+
+/**************************************************************************
+ * (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/1_ch09/Fig09_25_29/ConstructorsAndDestructors/point4.cpp b/Bachelor/Prog2/Codebeispiele/1_ch09/Fig09_25_29/ConstructorsAndDestructors/point4.cpp new file mode 100644 index 0000000..8538b6e --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/1_ch09/Fig09_25_29/ConstructorsAndDestructors/point4.cpp @@ -0,0 +1,77 @@ +// Fig. 9.26: point4.cpp
+// Point4 class member-function definitions.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+#include "point4.h" // Point4 class definition
+
+// default constructor
+Point4::Point4( int xValue, int yValue )
+ : x( xValue ), y( yValue )
+{
+ cout << "Point4 constructor: ";
+ print();
+ cout << endl;
+
+} // end Point4 constructor
+
+// destructor
+Point4::~Point4()
+{
+ cout << "Point4 destructor: ";
+ print();
+ cout << endl;
+
+} // end Point4 destructor
+
+// set x in coordinate pair
+void Point4::setX( int xValue )
+{
+ x = xValue; // no need for validation
+
+} // end function setX
+
+// return x from coordinate pair
+int Point4::getX() const
+{
+ return x;
+
+} // end function getX
+
+// set y in coordinate pair
+void Point4::setY( int yValue )
+{
+ y = yValue; // no need for validation
+
+} // end function setY
+
+// return y from coordinate pair
+int Point4::getY() const
+{
+ return y;
+
+} // end function getY
+
+// output Point4 object
+void Point4::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/1_ch09/Fig09_25_29/ConstructorsAndDestructors/point4.h b/Bachelor/Prog2/Codebeispiele/1_ch09/Fig09_25_29/ConstructorsAndDestructors/point4.h new file mode 100644 index 0000000..bcb87c3 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/1_ch09/Fig09_25_29/ConstructorsAndDestructors/point4.h @@ -0,0 +1,41 @@ +// Fig. 9.25: point4.h
+// Point4 class definition represents an x-y coordinate pair.
+#ifndef POINT4_H
+#define POINT4_H
+
+class Point4 {
+
+public:
+ Point4( int = 0, int = 0 ); // default constructor
+ ~Point4(); // destructor
+
+ 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
+
+ void print() const; // output Point3 object
+
+private:
+ int x; // x part of coordinate pair
+ int y; // y part of coordinate pair
+
+}; // end class Point4
+
+#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. *
+ *************************************************************************/
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