Created
November 26, 2012 13:24
-
-
Save juanfal/4148177 to your computer and use it in GitHub Desktop.
Intro to strings… tests
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// stringtest.cpp | |
// juanfc 2009-02-25 | |
// http://www.cplusplus.com/reference/string/string/ | |
#include <iostream> | |
#include <string> | |
using namespace std; | |
int main(int argc, char *argv[]) | |
{ | |
string s = "Juan"; // crea e inicializa | |
string s2(s), s3=s2; // otras formas de inicializar | |
cout << s << endl; // a cout | |
// sumar es concatenar | |
cout << s + " Falgueras" << endl; | |
s += " (algo)"; | |
cout << "s: \"" << s << '\"' << endl; // a ver | |
cout << " \"012345678901234567890\"" << endl; // a ver | |
// métodos útiles: | |
cout << "s.length(): " << s.length() << endl; | |
// ver una letra | |
cout << "En 6: " << s.at(6) << endl; // at comprueba | |
cout << "En 6: " << s[6] << endl; // [] no | |
// métodos potentes | |
cout << "la 'n' encontrada en pos: " << s.find("n", 2) << endl; | |
cout << "s.append(\" añadido\"): " << s.append(" añadido") << endl; | |
cout << "s.insert(10, \" y más\"): " << s.insert(10, " y más") << endl; | |
cout << "s.replace(10, 6, \"------\"): " << s.replace(10, 6, "------") << endl; // pos, ancho | |
cout << "s.erase(10, 4): " << s.erase(10, 4) << endl; | |
cout << "s.substr(6, 7): " << s.substr(6, 7) << endl; | |
return 0; | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment