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/3_ch15/FIG15_05.CPP | 75 ++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 Bachelor/Prog2/Codebeispiele/3_ch15/FIG15_05.CPP (limited to 'Bachelor/Prog2/Codebeispiele/3_ch15/FIG15_05.CPP') diff --git a/Bachelor/Prog2/Codebeispiele/3_ch15/FIG15_05.CPP b/Bachelor/Prog2/Codebeispiele/3_ch15/FIG15_05.CPP new file mode 100644 index 0000000..6fc20c4 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/3_ch15/FIG15_05.CPP @@ -0,0 +1,75 @@ +// Fig. 16.5: fig16_05.cpp +// Demonstrating member functions related to size and capacity. +#include + +using std::cout; +using std::endl; +using std::cin; +using std::boolalpha; + +#include + +using std::string; + +void printStatistics( const string & ); + +int main() +{ + string string1; + + cout << "Statistics before input:\n" << boolalpha; + printStatistics( string1 ); + + // read in "tomato" + cout << "\n\nEnter a string: "; + cin >> string1; // delimited by whitespace + cout << "The string entered was: " << string1; + + cout << "\nStatistics after input:\n"; + printStatistics( string1 ); + + // read in "soup" + cin >> string1; // delimited by whitespace + cout << "\n\nThe remaining string is: " << string1 << endl; + printStatistics( string1 ); + + // append 46 characters to string1 + string1 += "1234567890abcdefghijklmnopqrstuvwxyz1234567890"; + cout << "\n\nstring1 is now: " << string1 << endl; + printStatistics( string1 ); + + // add 10 elements to string1 + string1.resize( string1.length() + 10 ); + cout << "\n\nStats after resizing by (length + 10):\n"; + printStatistics( string1 ); + + cout << endl; + return 0; + +} // end main + +// display string statistics +void printStatistics( const string &stringRef ) +{ + cout << "capacity: " << stringRef.capacity() + << "\nmax size: " << stringRef.max_size() + << "\nsize: " << stringRef.size() + << "\nlength: " << stringRef.length() + << "\nempty: " << stringRef.empty(); + +} // end printStatistics + +/************************************************************************** + * (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