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_02.CPP | 97 ++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 Bachelor/Prog2/Codebeispiele/3_ch15/FIG15_02.CPP (limited to 'Bachelor/Prog2/Codebeispiele/3_ch15/FIG15_02.CPP') diff --git a/Bachelor/Prog2/Codebeispiele/3_ch15/FIG15_02.CPP b/Bachelor/Prog2/Codebeispiele/3_ch15/FIG15_02.CPP new file mode 100644 index 0000000..37fa669 --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/3_ch15/FIG15_02.CPP @@ -0,0 +1,97 @@ +// Fig. 16.2: fig16_02.cpp +// Demonstrating string comparison capabilities. +#include + +using std::cout; +using std::endl; + +#include + +using std::string; + +int main() +{ + string string1( "Testing the comparison functions." ); + string string2( "Hello" ); + string string3( "stinger" ); + string string4( string2 ); + + cout << "string1: " << string1 << "\nstring2: " << string2 + << "\nstring3: " << string3 << "\nstring4: " << string4 + << "\n\n"; + + // comparing string1 and string4 + if ( string1 == string4 ) + cout << "string1 == string4\n"; + else { // string1 != string4 + if ( string1 > string4 ) + cout << "string1 > string4\n"; + else // string1 < string4 + cout << "string1 < string4\n"; + } + + // comparing string1 and string2 + int result = string1.compare( string2 ); + + if ( result == 0 ) + cout << "string1.compare( string2 ) == 0\n"; + else // result != 0 + if ( result > 0 ) + cout << "string1.compare( string2 ) > 0\n"; + else // result < 0 + cout << "string1.compare( string2 ) < 0\n"; + + // comparing string1 (elements 2-5) and string3 (elements 0-5) + result = string1.compare( 2, 5, string3, 0, 5 ); + + if ( result == 0 ) + cout << "string1.compare( 2, 5, string3, 0, 5 ) == 0\n"; + else // result != 0 + if ( result > 0 ) + cout << "string1.compare( 2, 5, string3, 0, 5 ) > 0\n"; + else // result < 0 + cout << "string1.compare( 2, 5, string3, 0, 5 ) < 0\n"; + + // comparing string2 and string4 + result = string4.compare( 0, string2.length(), string2 ); + + if ( result == 0 ) + cout << "string4.compare( 0, string2.length(), " + << "string2 ) == 0" << endl; + else // result != 0 + if ( result > 0 ) + cout << "string4.compare( 0, string2.length(), " + << "string2 ) > 0" << endl; + else // result < 0 + cout << "string4.compare( 0, string2.length(), " + << "string2 ) < 0" << endl; + + // comparing string2 and string4 + result = string2.compare( 0, 3, string4 ); + + if ( result == 0 ) + cout << "string2.compare( 0, 3, string4 ) == 0" << endl; + else // result != 0 + if ( result > 0 ) + cout << "string2.compare( 0, 3, string4 ) > 0" << endl; + else // result < 0 + cout << "string2.compare( 0, 3, string4 ) < 0" << 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. * + *************************************************************************/ -- cgit v1.2.3