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diff --git a/Bachelor/Prog1/examples/ch08/Fig08_10_12/Date1.cpp b/Bachelor/Prog1/examples/ch08/Fig08_10_12/Date1.cpp
new file mode 100644
index 0000000..0c96a95
--- /dev/null
+++ b/Bachelor/Prog1/examples/ch08/Fig08_10_12/Date1.cpp
@@ -0,0 +1,137 @@
+// Fig. 8.11: date1.cpp

+// Date class member function definitions.

+#include <iostream>

+#include "date1.h"

+

+// initialize static member at file scope; 

+// one class-wide copy

+const int Date::days[] = 

+   { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };

+

+// Date constructor

+Date::Date( int m, int d, int y ) 

+{ 

+   setDate( m, d, y ); 

+

+} // end Date constructor

+

+// set month, day and year

+void Date::setDate( int mm, int dd, int yy )

+{

+   month = ( mm >= 1 && mm <= 12 ) ? mm : 1;

+   year = ( yy >= 1900 && yy <= 2100 ) ? yy : 1900;

+

+   // test for a leap year

+   if ( month == 2 && leapYear( year ) )

+      day = ( dd >= 1 && dd <= 29 ) ? dd : 1;

+   else

+      day = ( dd >= 1 && dd <= days[ month ] ) ? dd : 1;

+

+} // end function setDate

+

+// overloaded preincrement operator 

+Date &Date::operator++()

+{

+   helpIncrement();

+

+   return *this;  // reference return to create an lvalue

+

+} // end function operator++

+

+// overloaded postincrement operator; note that the dummy 

+// integer parameter does not have a parameter name

+Date Date::operator++( int )

+{

+   Date temp = *this;

+   helpIncrement();  // hold current state of object

+

+   // return unincremented, saved, temporary object

+   return temp;   // value return; not a reference return

+

+} // end function operator++

+

+// add specified number of days to date

+const Date &Date::operator+=( int additionalDays )

+{

+   for ( int i = 0; i < additionalDays; i++ )

+      helpIncrement();

+

+   return *this;    // enables cascading

+

+} // end function operator+=

+

+// if the year is a leap year, return true; 

+// otherwise, return false

+bool Date::leapYear( int testYear ) const

+{

+   if ( testYear % 400 == 0 || 

+      ( testYear % 100 != 0 && testYear % 4 == 0 ) )

+      return true;   // a leap year

+   else

+      return false;  // not a leap year

+

+} // end function leapYear

+

+// determine whether the day is the last day of the month

+bool Date::endOfMonth( int testDay ) const

+{

+   if ( month == 2 && leapYear( year ) )

+      return testDay == 29; // last day of Feb. in leap year

+   else

+      return testDay == days[ month ];

+

+} // end function endOfMonth

+

+// function to help increment the date

+void Date::helpIncrement()

+{

+   // day is not end of month

+   if ( !endOfMonth( day ) )

+      ++day;

+

+   else 

+      

+      // day is end of month and month < 12

+      if ( month < 12 ) {

+         ++month;

+         day = 1;

+      }

+

+      // last day of year

+      else {

+         ++year;

+         month = 1;

+         day = 1;

+      }

+

+} // end function helpIncrement

+

+// overloaded output operator

+ostream &operator<<( ostream &output, const Date &d )

+{

+   static char *monthName[ 13 ] = { "", "January",

+      "February", "March", "April", "May", "June",

+      "July", "August", "September", "October",

+      "November", "December" };

+

+   output << monthName[ d.month ] << ' '

+          << d.day << ", " << d.year;

+

+   return output;   // enables cascading

+

+} // end function operator<<

+

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

+ * (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_10_12/Date1.h b/Bachelor/Prog1/examples/ch08/Fig08_10_12/Date1.h
new file mode 100644
index 0000000..d1d6148
--- /dev/null
+++ b/Bachelor/Prog1/examples/ch08/Fig08_10_12/Date1.h
@@ -0,0 +1,49 @@
+// Fig. 8.10: date1.h

+// Date class definition.

+#ifndef DATE1_H

+#define DATE1_H

+#include <iostream>

+

+using std::ostream;

+

+class Date {

+   friend ostream &operator<<( ostream &, const Date & );

+

+public:

+   Date( int m = 1, int d = 1, int y = 1900 ); // constructor

+   void setDate( int, int, int ); // set the date

+

+   Date &operator++();            // preincrement operator

+   Date operator++( int );        // postincrement operator

+

+   const Date &operator+=( int ); // add days, modify object

+

+   bool leapYear( int ) const;    // is this a leap year?

+   bool endOfMonth( int ) const;  // is this end of month?

+

+private:

+   int month;

+   int day;

+   int year;

+

+   static const int days[];       // array of days per month

+   void helpIncrement();          // utility function

+

+}; // end class Date

+

+#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/Prog1/examples/ch08/Fig08_10_12/Fig08_12.cpp b/Bachelor/Prog1/examples/ch08/Fig08_10_12/Fig08_12.cpp
new file mode 100644
index 0000000..0d4c996
--- /dev/null
+++ b/Bachelor/Prog1/examples/ch08/Fig08_10_12/Fig08_12.cpp
@@ -0,0 +1,54 @@
+// Fig. 8.12: fig08_12.cpp

+// Date class test program.

+#include <iostream>

+

+using std::cout;

+using std::endl;

+

+#include "date1.h"  // Date class definition

+

+int main()

+{

+   Date d1;  // defaults to January 1, 1900

+   Date d2( 12, 27, 1992 );

+   Date d3( 0, 99, 8045 );  // invalid date

+

+   cout << "d1 is " << d1 << "\nd2 is " << d2

+        << "\nd3 is " << d3;

+

+   cout << "\n\nd2 += 7 is " << ( d2 += 7 );

+

+   d3.setDate( 2, 28, 1992 );

+   cout << "\n\n  d3 is " << d3;

+   cout << "\n++d3 is " << ++d3;

+

+   Date d4( 7, 13, 2002 );

+

+   cout << "\n\nTesting the preincrement operator:\n"

+        << "  d4 is " << d4 << '\n';

+   cout << "++d4 is " << ++d4 << '\n';

+   cout << "  d4 is " << d4;

+

+   cout << "\n\nTesting the postincrement operator:\n"

+        << "  d4 is " << d4 << '\n';

+   cout << "d4++ is " << d4++ << '\n';

+   cout << "  d4 is " << d4 << 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.                     *

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