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diff --git a/Bachelor/Prog1/examples/ch08/Fig08_15_17/Complex1.cpp b/Bachelor/Prog1/examples/ch08/Fig08_15_17/Complex1.cpp
new file mode 100644
index 0000000..130d39e
--- /dev/null
+++ b/Bachelor/Prog1/examples/ch08/Fig08_15_17/Complex1.cpp
@@ -0,0 +1,54 @@
+// Fig. 8.16: complex1.cpp

+// Complex class member function definitions.

+#include <iostream>

+

+using std::cout;

+

+#include "complex1.h"  // Complex class definition

+

+// Constructor

+Complex::Complex( double realPart, double imaginaryPart ) 

+   : real( realPart ), 

+     imaginary( imaginaryPart ) 

+{ 

+   // empty body

+

+} // end Complex constructor

+

+// addition operator

+Complex Complex::operator+( const Complex &operand2 ) const

+{

+   return Complex( real + operand2.real, 

+      imaginary + operand2.imaginary );

+

+} // end function operator+

+

+// subtraction operator

+Complex Complex::operator-( const Complex &operand2 ) const

+{

+   return Complex( real - operand2.real, 

+      imaginary - operand2.imaginary );

+

+} // end function operator-

+

+// display a Complex object in the form: (a, b)

+void Complex::print() const

+{ 

+   cout << '(' << real << ", " << imaginary << ')'; 

+

+} // 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/Prog1/examples/ch08/Fig08_15_17/Complex1.h b/Bachelor/Prog1/examples/ch08/Fig08_15_17/Complex1.h
new file mode 100644
index 0000000..934f2f2
--- /dev/null
+++ b/Bachelor/Prog1/examples/ch08/Fig08_15_17/Complex1.h
@@ -0,0 +1,35 @@
+// Fig. 8.15: complex1.h

+// Complex class definition.

+#ifndef COMPLEX1_H

+#define COMPLEX1_H

+

+class Complex {

+

+public:

+   Complex( double = 0.0, double = 0.0 );       // constructor

+   Complex operator+( const Complex & ) const;  // addition

+   Complex operator-( const Complex & ) const;  // subtraction

+   void print() const;                          // output

+

+private:

+   double real;       // real part

+   double imaginary;  // imaginary part

+

+}; // end class Complex

+

+#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/Prog1/examples/ch08/Fig08_15_17/Fig08_17.cpp b/Bachelor/Prog1/examples/ch08/Fig08_15_17/Fig08_17.cpp
new file mode 100644
index 0000000..d98f9bb
--- /dev/null
+++ b/Bachelor/Prog1/examples/ch08/Fig08_15_17/Fig08_17.cpp
@@ -0,0 +1,57 @@
+// Fig. 8.17: fig08_17.cpp

+// Complex class test program.

+#include <iostream>

+

+using std::cout;

+using std::endl;

+

+#include "complex1.h"

+

+int main()

+{

+   Complex x;

+   Complex y( 4.3, 8.2 );

+   Complex z( 3.3, 1.1 );

+

+   cout << "x: ";

+   x.print();

+   cout << "\ny: ";

+   y.print();

+   cout << "\nz: ";

+   z.print();

+

+   x = y + z;

+   cout << "\n\nx = y + z:\n";

+   x.print();

+   cout << " = ";

+   y.print();

+   cout << " + ";

+   z.print();

+

+   x = y - z;

+   cout << "\n\nx = y - z:\n";

+   x.print();

+   cout << " = ";

+   y.print();

+   cout << " - ";

+   z.print();

+   cout << endl;

+

+   return 0;

+

+} // 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.                     *

+ *************************************************************************/