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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/3_ch15/FIG15_02.CPP | |
| download | Studium-master.tar.gz Studium-master.tar.bz2 | |
Diffstat (limited to 'Bachelor/Prog2/Codebeispiele/3_ch15/FIG15_02.CPP')
| -rw-r--r-- | Bachelor/Prog2/Codebeispiele/3_ch15/FIG15_02.CPP | 97 |
1 files changed, 97 insertions, 0 deletions
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 <iostream>
+
+using std::cout;
+using std::endl;
+
+#include <string>
+
+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. *
+ *************************************************************************/
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