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diff --git a/Bachelor/Prog1/examples/elevator/floorButton.cpp b/Bachelor/Prog1/examples/elevator/floorButton.cpp
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+++ b/Bachelor/Prog1/examples/elevator/floorButton.cpp
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+// Fig. 7.40: floorButton.cpp
+// Member-function definitions for class FloorButton.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+#include "floorButton.h"
+#include "elevator.h"
+
+// constructor
+FloorButton::FloorButton( int floor, Elevator &elevatorHandle )
+   : floorNumber( floor ), 
+     pressed( false ), 
+     elevatorRef( elevatorHandle ) 
+{ 
+   cout << "floor " << floorNumber << " button constructed"
+        << endl; 
+
+} // end FloorButton constructor
+
+// destructor
+FloorButton::~FloorButton() 
+{
+   cout << "floor " << floorNumber << " button destructed"
+        << endl;
+
+} // end ~FloorButton destructor
+
+// press the button
+void FloorButton::pressButton()
+{
+   pressed = true;
+   cout << "floor " << floorNumber 
+        << " button summons elevator" << endl;
+
+   // call elevator to this floor
+   elevatorRef.summonElevator( floorNumber ); 
+
+} // end function pressButton
+
+// reset button
+void FloorButton::resetButton() 
+{ 
+   pressed = false; 
+
+} // end function resetButton
+
+/**************************************************************************
+ * (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.                     *
+ *************************************************************************/