String.charAt()
Description
Accéder à un caractère particulier d'un objet String
Syntaxe
string.charAt(n)
Paramètres
- string: une variable de type String()
- n: la position du caractère auquel accéder.
※ Remarque:
l'index du premier caractère est 0.
Valeurs Renvoyées
- Le nième caractère de l'objet String
Exemple
void setup() {
Serial.begin(9600);
String myString = "Arduino";
char myChar = myString.charAt(2);
Serial.println(myChar);
}
void loop() {
}
The result on Serial Monitor:
8
Serial.println("Hello World!");
Message (Enter to send message to 'Arduino Uno' on 'COM15')
New Line
9600 baud
d
※ ARDUINO BUY RECOMMENDATION
| Arduino UNO R3 | |
| Arduino Starter Kit |
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