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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/Prog2/Codebeispiele/7_ch21/fig21_14.CPP | |
| download | Studium-master.tar.gz Studium-master.tar.bz2 | |
Diffstat (limited to 'Bachelor/Prog2/Codebeispiele/7_ch21/fig21_14.CPP')
| -rw-r--r-- | Bachelor/Prog2/Codebeispiele/7_ch21/fig21_14.CPP | 85 |
1 files changed, 85 insertions, 0 deletions
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 <iostream>
+
+using std::cout;
+using std::cin;
+using std::endl;
+
+#include <vector> // 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. *
+ *************************************************************************/
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