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| author | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
|---|---|---|
| committer | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
| commit | 33613a85afc4b1481367fbe92a17ee59c240250b (patch) | |
| tree | 670b842326116b376b505ec2263878912fca97e2 /Bachelor/Prog1/examples/ch07 | |
| download | Studium-33613a85afc4b1481367fbe92a17ee59c240250b.tar.gz Studium-33613a85afc4b1481367fbe92a17ee59c240250b.tar.bz2 | |
Diffstat (limited to 'Bachelor/Prog1/examples/ch07')
23 files changed, 1394 insertions, 0 deletions
diff --git a/Bachelor/Prog1/examples/ch07/Fig07_01_03/Fig07_03.cpp b/Bachelor/Prog1/examples/ch07/Fig07_01_03/Fig07_03.cpp new file mode 100644 index 0000000..e2f9ee2 --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_01_03/Fig07_03.cpp @@ -0,0 +1,42 @@ +// Fig. 7.3: fig07_03.cpp
+// Attempting to access a const object with
+// non-const member functions.
+
+// include Time class definition from time5.h
+#include "time5.h"
+
+int main()
+{
+ Time wakeUp( 6, 45, 0 ); // non-constant object
+ const Time noon( 12, 0, 0 ); // constant object
+
+ // OBJECT MEMBER FUNCTION
+ wakeUp.setHour( 18 ); // non-const non-const
+
+ noon.setHour( 12 ); // const non-const
+
+ wakeUp.getHour(); // non-const const
+
+ noon.getMinute(); // const const
+ noon.printUniversal(); // const const
+
+ noon.printStandard(); // const non-const
+
+ 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. *
+ *************************************************************************/
diff --git a/Bachelor/Prog1/examples/ch07/Fig07_01_03/Time5.cpp b/Bachelor/Prog1/examples/ch07/Fig07_01_03/Time5.cpp new file mode 100644 index 0000000..a8e8a6b --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_01_03/Time5.cpp @@ -0,0 +1,107 @@ +// Fig. 7.2: time5.cpp
+// Member-function definitions for class Time.
+#include <iostream>
+
+using std::cout;
+
+#include <iomanip>
+
+using std::setfill;
+using std::setw;
+
+// include definition of class Time from time5.h
+#include "time5.h"
+
+// constructor function to initialize private data;
+// calls member function setTime to set variables;
+// default values are 0 (see class definition)
+Time::Time( int hour, int minute, int second )
+{
+ setTime( hour, minute, second );
+
+} // end Time constructor
+
+// set hour, minute and second values
+void Time::setTime( int hour, int minute, int second )
+{
+ setHour( hour );
+ setMinute( minute );
+ setSecond( second );
+
+} // end function setTime
+
+// set hour value
+void Time::setHour( int h )
+{
+ hour = ( h >= 0 && h < 24 ) ? h : 0;
+
+} // end function setHour
+
+// set minute value
+void Time::setMinute( int m )
+{
+ minute = ( m >= 0 && m < 60 ) ? m : 0;
+
+} // end function setMinute
+
+// set second value
+void Time::setSecond( int s )
+{
+ second = ( s >= 0 && s < 60 ) ? s : 0;
+
+} // end function setSecond
+
+// return hour value
+int Time::getHour() const
+{
+ return hour;
+
+} // end function getHour
+
+// return minute value
+int Time::getMinute() const
+{
+ return minute;
+
+} // end function getMinute
+
+// return second value
+int Time::getSecond() const
+{
+ return second;
+
+} // end function getSecond
+
+// print Time in universal format
+void Time::printUniversal() const
+{
+ cout << setfill( '0' ) << setw( 2 ) << hour << ":"
+ << setw( 2 ) << minute << ":"
+ << setw( 2 ) << second;
+
+} // end function printUniversal
+
+// print Time in standard format
+void Time::printStandard()
+{
+ cout << ( ( hour == 0 || hour == 12 ) ? 12 : hour % 12 )
+ << ":" << setfill( '0' ) << setw( 2 ) << minute
+ << ":" << setw( 2 ) << second
+ << ( hour < 12 ? " AM" : " PM" );
+
+} // end function printStandard
+
+/**************************************************************************
+ * (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/ch07/Fig07_01_03/Time5.h b/Bachelor/Prog1/examples/ch07/Fig07_01_03/Time5.h new file mode 100644 index 0000000..25b583e --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_01_03/Time5.h @@ -0,0 +1,49 @@ +// Fig. 7.1: time5.h
+// Definition of class Time.
+// Member functions defined in time5.cpp.
+#ifndef TIME5_H
+#define TIME5_H
+
+class Time {
+
+public:
+ Time( int = 0, int = 0, int = 0 ); // default constructor
+
+ // set functions
+ void setTime( int, int, int ); // set time
+ void setHour( int ); // set hour
+ void setMinute( int ); // set minute
+ void setSecond( int ); // set second
+
+ // get functions (normally declared const)
+ int getHour() const; // return hour
+ int getMinute() const; // return minute
+ int getSecond() const; // return second
+
+ // print functions (normally declared const)
+ void printUniversal() const; // print universal time
+ void printStandard(); // print standard time
+
+private:
+ int hour; // 0 - 23 (24-hour clock format)
+ int minute; // 0 - 59
+ int second; // 0 - 59
+
+}; // end class Time
+
+#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/ch07/Fig07_04/Fig07_04.cpp b/Bachelor/Prog1/examples/ch07/Fig07_04/Fig07_04.cpp new file mode 100644 index 0000000..62b4464 --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_04/Fig07_04.cpp @@ -0,0 +1,75 @@ +// Fig. 7.4: fig07_04.cpp
+// Using a member initializer to initialize a
+// constant of a built-in data type.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+class Increment {
+
+public:
+ Increment( int c = 0, int i = 1 ); // default constructor
+
+ void addIncrement()
+ {
+ count += increment;
+
+ } // end function addIncrement
+
+ void print() const; // prints count and increment
+
+private:
+ int count;
+ const int increment; // const data member
+
+}; // end class Increment
+
+// constructor
+Increment::Increment( int c, int i )
+ : count( c ), // initializer for non-const member
+ increment( i ) // required initializer for const member
+{
+ // empty body
+
+} // end constructor Increment
+
+// print count and increment values
+void Increment::print() const
+{
+ cout << "count = " << count
+ << ", increment = " << increment << endl;
+
+} // end function print
+
+int main()
+{
+ Increment value( 10, 5 );
+
+ cout << "Before incrementing: ";
+ value.print();
+
+ for ( int j = 0; j < 3; j++ ) {
+ value.addIncrement();
+ cout << "After increment " << j + 1 << ": ";
+ value.print();
+ }
+
+ 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. *
+ *************************************************************************/
diff --git a/Bachelor/Prog1/examples/ch07/Fig07_05/Fig07_05.cpp b/Bachelor/Prog1/examples/ch07/Fig07_05/Fig07_05.cpp new file mode 100644 index 0000000..f7945b4 --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_05/Fig07_05.cpp @@ -0,0 +1,74 @@ +// Fig. 7.5: fig07_05.cpp
+// Attempting to initialize a constant of
+// a built-in data type with an assignment.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+class Increment {
+
+public:
+ Increment( int c = 0, int i = 1 ); // default constructor
+
+ void addIncrement()
+ {
+ count += increment;
+
+ } // end function addIncrement
+
+ void print() const; // prints count and increment
+
+private:
+ int count;
+ const int increment; // const data member
+
+}; // end class Increment
+
+// constructor
+Increment::Increment( int c, int i )
+{ // Constant member 'increment' is not initialized
+ count = c; // allowed because count is not constant
+ increment = i; // ERROR: Cannot modify a const object
+
+} // end constructor Increment
+
+// print count and increment values
+void Increment::print() const
+{
+ cout << "count = " << count
+ << ", increment = " << increment << endl;
+
+} // end function print
+
+int main()
+{
+ Increment value( 10, 5 );
+
+ cout << "Before incrementing: ";
+ value.print();
+
+ for ( int j = 0; j < 3; j++ ) {
+ value.addIncrement();
+ cout << "After increment " << j + 1 << ": ";
+ value.print();
+ }
+
+ 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. *
+ *************************************************************************/
diff --git a/Bachelor/Prog1/examples/ch07/Fig07_06_10/Date1.cpp b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Date1.cpp new file mode 100644 index 0000000..ef3818b --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Date1.cpp @@ -0,0 +1,85 @@ +// Fig. 7.7: date1.cpp
+// Member-function definitions for class Date.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+// include Date class definition from date1.h
+#include "date1.h"
+
+// constructor confirms proper value for month; calls
+// utility function checkDay to confirm proper value for day
+Date::Date( int mn, int dy, int yr )
+{
+ if ( mn > 0 && mn <= 12 ) // validate the month
+ month = mn;
+
+ else { // invalid month set to 1
+ month = 1;
+ cout << "Month " << mn << " invalid. Set to month 1.\n";
+ }
+
+ year = yr; // should validate yr
+ day = checkDay( dy ); // validate the day
+
+ // output Date object to show when its constructor is called
+ cout << "Date object constructor for date ";
+ print();
+ cout << endl;
+
+} // end Date constructor
+
+// print Date object in form month/day/year
+void Date::print() const
+{
+ cout << month << '/' << day << '/' << year;
+
+} // end function print
+
+// output Date object to show when its destructor is called
+Date::~Date()
+{
+ cout << "Date object destructor for date ";
+ print();
+ cout << endl;
+
+} // end ~Date destructor
+
+// utility function to confirm proper day value based on
+// month and year; handles leap years, too
+int Date::checkDay( int testDay ) const
+{
+ static const int daysPerMonth[ 13 ] =
+ { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
+
+ // determine whether testDay is valid for specified month
+ if ( testDay > 0 && testDay <= daysPerMonth[ month ] )
+ return testDay;
+
+ // February 29 check for leap year
+ if ( month == 2 && testDay == 29 &&
+ ( year % 400 == 0 ||
+ ( year % 4 == 0 && year % 100 != 0 ) ) )
+ return testDay;
+
+ cout << "Day " << testDay << " invalid. Set to day 1.\n";
+
+ return 1; // leave object in consistent state if bad value
+
+} // end function checkDay
+
+/**************************************************************************
+ * (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/ch07/Fig07_06_10/Date1.h b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Date1.h new file mode 100644 index 0000000..5829c71 --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Date1.h @@ -0,0 +1,39 @@ +// Fig. 7.6: date1.h
+// Date class definition.
+// Member functions defined in date1.cpp
+#ifndef DATE1_H
+#define DATE1_H
+
+class Date {
+
+public:
+ Date( int = 1, int = 1, int = 1900 ); // default constructor
+ void print() const; // print date in month/day/year format
+ ~Date(); // provided to confirm destruction order
+
+private:
+ int month; // 1-12 (January-December)
+ int day; // 1-31 based on month
+ int year; // any year
+
+ // utility function to test proper day for month and year
+ int checkDay( int ) const;
+
+}; // 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. *
+ *************************************************************************/
diff --git a/Bachelor/Prog1/examples/ch07/Fig07_06_10/Employee1.cpp b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Employee1.cpp new file mode 100644 index 0000000..6cc742a --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Employee1.cpp @@ -0,0 +1,72 @@ +// Fig. 7.9: employee1.cpp
+// Member-function definitions for class Employee.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+#include <cstring> // strcpy and strlen prototypes
+
+#include "employee1.h" // Employee class definition
+#include "date1.h" // Date class definition
+
+// constructor uses member initializer list to pass initializer
+// values to constructors of member objects birthDate and
+// hireDate [Note: This invokes the so-called "default copy
+// constructor" which the C++ compiler provides implicitly.]
+Employee::Employee( const char *first, const char *last,
+ const Date &dateOfBirth, const Date &dateOfHire )
+ : birthDate( dateOfBirth ), // initialize birthDate
+ hireDate( dateOfHire ) // initialize hireDateba
+{
+ // copy first into firstName and be sure that it fits
+ int length = strlen( first );
+ length = ( length < 25 ? length : 24 );
+ strncpy( firstName, first, length );
+ firstName[ length ] = '\0';
+
+ // copy last into lastName and be sure that it fits
+ length = strlen( last );
+ length = ( length < 25 ? length : 24 );
+ strncpy( lastName, last, length );
+ lastName[ length ] = '\0';
+
+ // output Employee object to show when constructor is called
+ cout << "Employee object constructor: "
+ << firstName << ' ' << lastName << endl;
+
+} // end Employee constructor
+
+// print Employee object
+void Employee::print() const
+{
+ cout << lastName << ", " << firstName << "\nHired: ";
+ hireDate.print();
+ cout << " Birth date: ";
+ birthDate.print();
+ cout << endl;
+
+} // end function print
+
+// output Employee object to show when its destructor is called
+Employee::~Employee()
+{
+ cout << "Employee object destructor: "
+ << lastName << ", " << firstName << endl;
+
+} // end ~Employee destructor
+
+/**************************************************************************
+ * (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/ch07/Fig07_06_10/Employee1.h b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Employee1.h new file mode 100644 index 0000000..cfc294a --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Employee1.h @@ -0,0 +1,42 @@ +// Fig. 7.8: employee1.h
+// Employee class definition.
+// Member functions defined in employee1.cpp.
+#ifndef EMPLY1_H
+#define EMPLY1_H
+
+// include Date class definition from date1.h
+#include "date1.h"
+
+class Employee {
+
+public:
+ Employee(
+ const char *, const char *, const Date &, const Date & );
+
+ void print() const;
+ ~Employee(); // provided to confirm destruction order
+
+private:
+ char firstName[ 25 ];
+ char lastName[ 25 ];
+ const Date birthDate; // composition: member object
+ const Date hireDate; // composition: member object
+
+}; // end class Employee
+
+#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/ch07/Fig07_06_10/Fig07_10.cpp b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Fig07_10.cpp new file mode 100644 index 0000000..90dfc9b --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_06_10/Fig07_10.cpp @@ -0,0 +1,40 @@ +// Fig. 7.10: fig07_10.cpp
+// Demonstrating composition--an object with member objects.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+#include "employee1.h" // Employee class definition
+
+int main()
+{
+ Date birth( 7, 24, 1949 );
+ Date hire( 3, 12, 1988 );
+ Employee manager( "Bob", "Jones", birth, hire );
+
+ cout << '\n';
+ manager.print();
+
+ cout << "\nTest Date constructor with invalid values:\n";
+ Date lastDayOff( 14, 35, 1994 ); // invalid month and day
+ 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. *
+ *************************************************************************/
diff --git a/Bachelor/Prog1/examples/ch07/Fig07_11/Fig07_11.cpp b/Bachelor/Prog1/examples/ch07/Fig07_11/Fig07_11.cpp new file mode 100644 index 0000000..995bc86 --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_11/Fig07_11.cpp @@ -0,0 +1,72 @@ +// Fig. 7.11: fig07_11.cpp
+// Friends can access private members of a class.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+// Count class definition
+// (note that there is no friendship declaration)
+class Count {
+ friend void setX( Count &, int ); // friend declaration
+
+public:
+
+ // constructor
+ Count()
+ : x( 0 ) // initialize x to 0
+ {
+ // empty body
+
+ } // end constructor Count
+
+ // output x
+ void print() const
+ {
+ cout << x << endl;
+
+ } // end function print
+
+private:
+ int x; // data member
+
+}; // end class Count
+
+// function setX can modify private data of Count
+// because setX is declared as a friend of Count
+void setX( Count &c, int val )
+{
+ c.x = val; // legal: setX is a friend of Count
+
+} // end function setX
+
+int main()
+{
+ Count counter; // create Count object
+
+ cout << "counter.x after instantiation: ";
+ counter.print();
+
+ setX( counter, 8 ); // set x with a friend
+
+ cout << "counter.x after call to setX friend function: ";
+ counter.print();
+
+ 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. *
+ *************************************************************************/
diff --git a/Bachelor/Prog1/examples/ch07/Fig07_12/Fig07_12.cpp b/Bachelor/Prog1/examples/ch07/Fig07_12/Fig07_12.cpp new file mode 100644 index 0000000..dbab9fc --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_12/Fig07_12.cpp @@ -0,0 +1,65 @@ +// Fig. 7.12: fig07_12.cpp
+// Non-friend/non-member functions cannot access
+// private data of a class.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+// Count class definition
+class Count {
+
+public:
+
+ // constructor
+ Count()
+ : x( 0 ) // initialize x to 0
+ {
+ // empty body
+
+ } // end constructor Count
+
+ // output x
+ void print() const
+ {
+ cout << x << endl;
+
+ } // end function print
+
+private:
+ int x; // data member
+
+}; // end class Count
+
+// function tries to modify private data of Count,
+// but cannot because function is not a friend of Count
+void cannotSetX( Count &c, int val )
+{
+ c.x = val; // ERROR: cannot access private member in Count
+
+} // end function cannotSetX
+
+int main()
+{
+ Count counter; // create Count object
+
+ cannotSetX( counter, 3 ); // cannotSetX is not a friend
+
+ 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. *
+ *************************************************************************/
diff --git a/Bachelor/Prog1/examples/ch07/Fig07_13/Fig07_13.cpp b/Bachelor/Prog1/examples/ch07/Fig07_13/Fig07_13.cpp new file mode 100644 index 0000000..2e385a4 --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_13/Fig07_13.cpp @@ -0,0 +1,66 @@ +// Fig. 7.13: fig07_13.cpp
+// Using the this pointer to refer to object members.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+class Test {
+
+public:
+ Test( int = 0 ); // default constructor
+ void print() const;
+
+private:
+ int x;
+
+}; // end class Test
+
+// constructor
+Test::Test( int value )
+ : x( value ) // initialize x to value
+{
+ // empty body
+
+} // end constructor Test
+
+// print x using implicit and explicit this pointers;
+// parentheses around *this required
+void Test::print() const
+{
+ // implicitly use this pointer to access member x
+ cout << " x = " << x;
+
+ // explicitly use this pointer to access member x
+ cout << "\n this->x = " << this->x;
+
+ // explicitly use dereferenced this pointer and
+ // the dot operator to access member x
+ cout << "\n(*this).x = " << ( *this ).x << endl;
+
+} // end function print
+
+int main()
+{
+ Test testObject( 12 );
+
+ testObject.print();
+
+ 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. *
+ *************************************************************************/
diff --git a/Bachelor/Prog1/examples/ch07/Fig07_14_16/Fig07_16.cpp b/Bachelor/Prog1/examples/ch07/Fig07_14_16/Fig07_16.cpp new file mode 100644 index 0000000..70e7a64 --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_14_16/Fig07_16.cpp @@ -0,0 +1,48 @@ +// Fig. 7.16: fig07_16.cpp
+// Cascading member function calls with the this pointer.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+#include "time6.h" // Time class definition
+
+int main()
+{
+ Time t;
+
+ // cascaded function calls
+ t.setHour( 18 ).setMinute( 30 ).setSecond( 22 );
+
+ // output time in universal and standard formats
+ cout << "Universal time: ";
+ t.printUniversal();
+
+ cout << "\nStandard time: ";
+ t.printStandard();
+
+ cout << "\n\nNew standard time: ";
+
+ // cascaded function calls
+ t.setTime( 20, 20, 20 ).printStandard();
+
+ 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. *
+ *************************************************************************/
diff --git a/Bachelor/Prog1/examples/ch07/Fig07_14_16/Time6.cpp b/Bachelor/Prog1/examples/ch07/Fig07_14_16/Time6.cpp new file mode 100644 index 0000000..97205c0 --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_14_16/Time6.cpp @@ -0,0 +1,114 @@ +// Fig. 7.15: time6.cpp
+// Member-function definitions for Time class.
+#include <iostream>
+
+using std::cout;
+
+#include <iomanip>
+
+using std::setfill;
+using std::setw;
+
+#include "time6.h" // Time class definition
+
+// constructor function to initialize private data;
+// calls member function setTime to set variables;
+// default values are 0 (see class definition)
+Time::Time( int hr, int min, int sec )
+{
+ setTime( hr, min, sec );
+
+} // end Time constructor
+
+// set values of hour, minute, and second
+Time &Time::setTime( int h, int m, int s )
+{
+ setHour( h );
+ setMinute( m );
+ setSecond( s );
+
+ return *this; // enables cascading
+
+} // end function setTime
+
+// set hour value
+Time &Time::setHour( int h )
+{
+ hour = ( h >= 0 && h < 24 ) ? h : 0;
+
+ return *this; // enables cascading
+
+} // end function setHour
+
+// set minute value
+Time &Time::setMinute( int m )
+{
+ minute = ( m >= 0 && m < 60 ) ? m : 0;
+
+ return *this; // enables cascading
+
+} // end function setMinute
+
+// set second value
+Time &Time::setSecond( int s )
+{
+ second = ( s >= 0 && s < 60 ) ? s : 0;
+
+ return *this; // enables cascading
+
+} // end function setSecond
+
+// get hour value
+int Time::getHour() const
+{
+ return hour;
+
+} // end function getHour
+
+// get minute value
+int Time::getMinute() const
+{
+ return minute;
+
+} // end function getMinute
+
+// get second value
+int Time::getSecond() const
+{
+ return second;
+
+} // end function getSecond
+
+// print Time in universal format
+void Time::printUniversal() const
+{
+ cout << setfill( '0' ) << setw( 2 ) << hour << ":"
+ << setw( 2 ) << minute << ":"
+ << setw( 2 ) << second;
+
+} // end function printUniversal
+
+// print Time in standard format
+void Time::printStandard() const
+{
+ cout << ( ( hour == 0 || hour == 12 ) ? 12 : hour % 12 )
+ << ":" << setfill( '0' ) << setw( 2 ) << minute
+ << ":" << setw( 2 ) << second
+ << ( hour < 12 ? " AM" : " PM" );
+
+} // end function printStandard
+
+/**************************************************************************
+ * (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/ch07/Fig07_14_16/Time6.h b/Bachelor/Prog1/examples/ch07/Fig07_14_16/Time6.h new file mode 100644 index 0000000..d9413ca --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_14_16/Time6.h @@ -0,0 +1,51 @@ +// Fig. 7.14: time6.h
+// Cascading member function calls.
+
+// Time class definition.
+// Member functions defined in time6.cpp.
+#ifndef TIME6_H
+#define TIME6_H
+
+class Time {
+
+public:
+ Time( int = 0, int = 0, int = 0 ); // default constructor
+
+ // set functions
+ Time &setTime( int, int, int ); // set hour, minute, second
+ Time &setHour( int ); // set hour
+ Time &setMinute( int ); // set minute
+ Time &setSecond( int ); // set second
+
+ // get functions (normally declared const)
+ int getHour() const; // return hour
+ int getMinute() const; // return minute
+ int getSecond() const; // return second
+
+ // print functions (normally declared const)
+ void printUniversal() const; // print universal time
+ void printStandard() const; // print standard time
+
+private:
+ int hour; // 0 - 23 (24-hour clock format)
+ int minute; // 0 - 59
+ int second; // 0 - 59
+
+}; // end class Time
+
+#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/ch07/Fig07_17_19/Fig07_19.cpp b/Bachelor/Prog1/examples/ch07/Fig07_17_19/Fig07_19.cpp new file mode 100644 index 0000000..27ba9f7 --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_17_19/Fig07_19.cpp @@ -0,0 +1,55 @@ +// Fig. 7.19: fig07_19.cpp
+// Driver to test class Employee.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+#include <new> // C++ standard new operator
+
+#include "employee2.h" // Employee class definition
+
+int main()
+{
+ cout << "Number of employees before instantiation is "
+ << Employee::getCount() << endl; // use class name
+
+ Employee *e1Ptr = new Employee( "Susan", "Baker" );
+ Employee *e2Ptr = new Employee( "Robert", "Jones" );
+
+ cout << "Number of employees after instantiation is "
+ << e1Ptr->getCount();
+
+ cout << "\n\nEmployee 1: "
+ << e1Ptr->getFirstName()
+ << " " << e1Ptr->getLastName()
+ << "\nEmployee 2: "
+ << e2Ptr->getFirstName()
+ << " " << e2Ptr->getLastName() << "\n\n";
+
+ delete e1Ptr; // recapture memory
+ e1Ptr = 0; // disconnect pointer from free-store space
+ delete e2Ptr; // recapture memory
+ e2Ptr = 0; // disconnect pointer from free-store space
+
+ cout << "Number of employees after deletion is "
+ << Employee::getCount() << 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. *
+ *************************************************************************/
diff --git a/Bachelor/Prog1/examples/ch07/Fig07_17_19/employee2.cpp b/Bachelor/Prog1/examples/ch07/Fig07_17_19/employee2.cpp new file mode 100644 index 0000000..540f367 --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_17_19/employee2.cpp @@ -0,0 +1,88 @@ +// Fig. 7.18: employee2.cpp
+// Member-function definitions for class Employee.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+#include <new> // C++ standard new operator
+#include <cstring> // strcpy and strlen prototypes
+
+#include "employee2.h" // Employee class definition
+
+// define and initialize static data member
+int Employee::count = 0;
+
+// define static member function that returns number of
+// Employee objects instantiated
+int Employee::getCount()
+{
+ return count;
+
+} // end static function getCount
+
+// constructor dynamically allocates space for
+// first and last name and uses strcpy to copy
+// first and last names into the object
+Employee::Employee( const char *first, const char *last )
+{
+ firstName = new char[ strlen( first ) + 1 ];
+ strcpy( firstName, first );
+
+ lastName = new char[ strlen( last ) + 1 ];
+ strcpy( lastName, last );
+
+ ++count; // increment static count of employees
+
+ cout << "Employee constructor for " << firstName
+ << ' ' << lastName << " called." << endl;
+
+} // end Employee constructor
+
+// destructor deallocates dynamically allocated memory
+Employee::~Employee()
+{
+ cout << "~Employee() called for " << firstName
+ << ' ' << lastName << endl;
+
+ delete [] firstName; // recapture memory
+ delete [] lastName; // recapture memory
+
+ --count; // decrement static count of employees
+
+} // end ~Employee destructor
+
+// return first name of employee
+const char *Employee::getFirstName() const
+{
+ // const before return type prevents client from modifying
+ // private data; client should copy returned string before
+ // destructor deletes storage to prevent undefined pointer
+ return firstName;
+
+} // end function getFirstName
+
+// return last name of employee
+const char *Employee::getLastName() const
+{
+ // const before return type prevents client from modifying
+ // private data; client should copy returned string before
+ // destructor deletes storage to prevent undefined pointer
+ return lastName;
+
+} // end function getLastName
+
+/**************************************************************************
+ * (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/ch07/Fig07_17_19/employee2.h b/Bachelor/Prog1/examples/ch07/Fig07_17_19/employee2.h new file mode 100644 index 0000000..3010210 --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_17_19/employee2.h @@ -0,0 +1,41 @@ +// Fig. 7.17: employee2.h
+// Employee class definition.
+#ifndef EMPLOYEE2_H
+#define EMPLOYEE2_H
+
+class Employee {
+
+public:
+ Employee( const char *, const char * ); // constructor
+ ~Employee(); // destructor
+ const char *getFirstName() const; // return first name
+ const char *getLastName() const; // return last name
+
+ // static member function
+ static int getCount(); // return # objects instantiated
+
+private:
+ char *firstName;
+ char *lastName;
+
+ // static data member
+ static int count; // number of objects instantiated
+
+}; // end class Employee
+
+#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/ch07/Fig07_20_23/fig07_23.cpp b/Bachelor/Prog1/examples/ch07/Fig07_20_23/fig07_23.cpp new file mode 100644 index 0000000..a11a543 --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_20_23/fig07_23.cpp @@ -0,0 +1,39 @@ +// Fig. 7.23: fig07_23.cpp
+// Hiding a class’s private data with a proxy class.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+#include "interface.h" // Interface class definition
+
+int main()
+{
+ Interface i( 5 );
+
+ cout << "Interface contains: " << i.getValue()
+ << " before setValue" << endl;
+
+ i.setValue( 10 );
+
+ cout << "Interface contains: " << i.getValue()
+ << " after setValue" << 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. *
+ *************************************************************************/
diff --git a/Bachelor/Prog1/examples/ch07/Fig07_20_23/implementation.h b/Bachelor/Prog1/examples/ch07/Fig07_20_23/implementation.h new file mode 100644 index 0000000..1630a50 --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_20_23/implementation.h @@ -0,0 +1,48 @@ +// Fig. 7.20: implementation.h
+// Header file for class Implementation
+
+class Implementation {
+
+public:
+
+ // constructor
+ Implementation( int v )
+ : value( v ) // initialize value with v
+ {
+ // empty body
+
+ } // end constructor Implementation
+
+ // set value to v
+ void setValue( int v )
+ {
+ value = v; // should validate v
+
+ } // end function setValue
+
+ // return value
+ int getValue() const
+ {
+ return value;
+
+ } // end function getValue
+
+private:
+ int value;
+
+}; // end class Implementation
+
+/**************************************************************************
+ * (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/ch07/Fig07_20_23/interface.cpp b/Bachelor/Prog1/examples/ch07/Fig07_20_23/interface.cpp new file mode 100644 index 0000000..0f895fd --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_20_23/interface.cpp @@ -0,0 +1,48 @@ +// Fig. 7.22: interface.cpp
+// Definition of class Interface
+#include "interface.h" // Interface class definition
+#include "implementation.h" // Implementation class definition
+
+// constructor
+Interface::Interface( int v )
+ : ptr ( new Implementation( v ) ) // initialize ptr
+{
+ // empty body
+
+} // end Interface constructor
+
+// call Implementation's setValue function
+void Interface::setValue( int v )
+{
+ ptr->setValue( v );
+
+} // end function setValue
+
+// call Implementation's getValue function
+int Interface::getValue() const
+{
+ return ptr->getValue();
+
+} // end function getValue
+
+// destructor
+Interface::~Interface()
+{
+ delete ptr;
+
+} // end ~Interface destructor
+
+/**************************************************************************
+ * (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/ch07/Fig07_20_23/interface.h b/Bachelor/Prog1/examples/ch07/Fig07_20_23/interface.h new file mode 100644 index 0000000..5d229e1 --- /dev/null +++ b/Bachelor/Prog1/examples/ch07/Fig07_20_23/interface.h @@ -0,0 +1,34 @@ +// Fig. 7.21: interface.h
+// Header file for interface.cpp
+
+class Implementation; // forward class declaration
+
+class Interface {
+
+public:
+ Interface( int );
+ void setValue( int ); // same public interface as
+ int getValue() const; // class Implementation
+ ~Interface();
+
+private:
+
+ // requires previous forward declaration (line 4)
+ Implementation *ptr;
+
+}; // end class Interface
+
+/**************************************************************************
+ * (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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