String.charAt()

설명

스트링의 특정 문자 액세스

문법

myString.charAt(n)

매개변수

  • myString: string 형 변수
  • n: unsigned int 형 변수

반환값

  • 스트링의 n번째 문자

예제 코드

void setup() { Serial.begin(9600); String myString = "Arduino"; char myChar = myString.charAt(2); Serial.println(myChar); } void loop() { }

시리얼 모니터에 결과:

COM6
Send
d
Autoscroll Show timestamp
Clear output
9600 baud  
Newline  

※ 주의 및 경고:

If the string is modified, it is highly recommended using String.reserve() to prevent the memory fragmentation issue

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