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 --- Bachelor/Prog2/Codebeispiele/7_ch21/fig21_14.CPP | 85 ++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 Bachelor/Prog2/Codebeispiele/7_ch21/fig21_14.CPP (limited to 'Bachelor/Prog2/Codebeispiele/7_ch21/fig21_14.CPP') diff --git a/Bachelor/Prog2/Codebeispiele/7_ch21/fig21_14.CPP b/Bachelor/Prog2/Codebeispiele/7_ch21/fig21_14.CPP new file mode 100644 index 0000000..8a42288 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/7_ch21/fig21_14.CPP @@ -0,0 +1,85 @@ +// Fig. 21.14: fig21_14.cpp +// Demonstrating standard library vector class template. +#include + +using std::cout; +using std::cin; +using std::endl; + +#include // vector class-template definition + +// prototype for function template printVector +template < class T > +void printVector( const std::vector< T > &integers2 ); + +int main() +{ + const int SIZE = 6; + int array[ SIZE ] = { 1, 2, 3, 4, 5, 6 }; + + std::vector< int > integers; + + cout << "The initial size of integers is: " + << integers.size() + << "\nThe initial capacity of integers is: " + << integers.capacity(); + + // function push_back is in every sequence collection + integers.push_back( 2 ); + integers.push_back( 3 ); + integers.push_back( 4 ); + + cout << "\nThe size of integers is: " << integers.size() + << "\nThe capacity of integers is: " + << integers.capacity(); + + cout << "\n\nOutput array using pointer notation: "; + + for ( int *ptr = array; ptr != array + SIZE; ++ptr ) + cout << *ptr << ' '; + + cout << "\nOutput vector using iterator notation: "; + printVector( integers ); + + cout << "\nReversed contents of vector integers: "; + + std::vector< int >::reverse_iterator reverseIterator; + + for ( reverseIterator = integers.rbegin(); + reverseIterator!= integers.rend(); + ++reverseIterator ) + cout << *reverseIterator << ' '; + + cout << endl; + + return 0; + +} // end main + +// function template for outputting vector elements +template < class T > +void printVector( const std::vector< T > &integers2 ) +{ + std::vector< T >::const_iterator constIterator; + + for ( constIterator = integers2.begin(); + constIterator != integers2.end(); + constIterator++ ) + cout << *constIterator << ' '; + +} // end function printVector + +/************************************************************************** + * (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 -- cgit v1.2.3