1 /* 2 * stringvar.cpp 3 * 4 * Beispiel-Anwendung von std::string-Funktionen 5 * (vergleiche stringvar.c aus Teil 2) 6 * 7 * Autor: H.Drachenfels 8 * Erstellt am: 22.11.2017 9 */

10

11 #include <iostream>

12 #include <string>

13

14 int main()

15 {

16 std::string a = "halli"; // a("halli")

17 std::string s = "hallo"; // s("hallo")

18 std::string t; // leerer String

19

20 //----------------------------- compare, copy and concatenate strings

21 if (a < s) // operator<(a, s)

22 {

23 t = a + s; // t.operator=(operator+(a, s))

24 }

25

26 //------------------------------------- print string values and sizes

27 std::cout << "a = " << a << '\n';

28 // operator<<(operator<<(operator<<(std::cout, "a = "), a), '\n')

29 std::cout << "s = " << s << '\n';

30 std::cout << "t = " << t << '\n';

31

32 std::cout << "sizeof a = " << sizeof a << '\n';

33 std::cout << "sizeof s = " << sizeof s << '\n';

34 std::cout << "sizeof t = " << sizeof t << '\n';

35

36 std::cout << "a.length() = " << a.length() << '\n';

37 std::cout << "s.length() = " << s.length() << '\n';

38 std::cout << "t.length() = " << t.length() << '\n';

39 }

40