String.concat()

설명

매개변수를 스트링에 더함.

문법

myString.concat(parameter)

매개변수

  • parameter: 허용되는 자료형 String, string, char, byte, int, unsigned int, long, unsigned long, float, double, FlashStringHelper(F() macro).

반환값

  • true: 성공
  • false: 실패 (이경우 스트링은 바뀌지 않음).

예제 코드

void setup() { Serial.begin(9600); String myString = "Arduino"; Serial.println(myString); // string before myString.concat("GetStarted.com"); Serial.println(myString); // string after } void loop() { }

시리얼 모니터에 결과:

COM6
Send
Arduino ArduinoGetStarted.com
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

ARDUINO BUY RECOMMENDATION

Arduino UNO R3
Arduino Starter Kit
Please note: These are affiliate links. If you buy the components through these links, We may get a commission at no extra cost to you. We appreciate it.

※ OUR MESSAGES

  • We are AVAILABLE for HIRE. See how to hire us to build your project
  • Any suggestion, correction, and translation? please email us at ArduinoGetStarted@gmail.com, We appreciate it
  • We mainly keep improving the references in English. See English version of this page for the latest update.