From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001 From: Sven Eisenhauer Date: Fri, 10 Nov 2023 15:11:48 +0100 Subject: add new repo --- .../Prog1/examples/ch07/Fig07_17_19/employee2.cpp | 88 ++++++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 Bachelor/Prog1/examples/ch07/Fig07_17_19/employee2.cpp (limited to 'Bachelor/Prog1/examples/ch07/Fig07_17_19/employee2.cpp') 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 + +using std::cout; +using std::endl; + +#include // C++ standard new operator +#include // 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. * + *************************************************************************/ -- cgit v1.2.3