char like[] = "saya suka kopi dan roti";

void setup() {
  Serial.begin(9600);

  Serial.println(like);

  like[14] = 0;

  Serial.println(like);

  like[14] = ' ';
  like[19] = 't';
  like[20] = 'e';
  like[21] = 'h';
  like[22] = 0;

  Serial.println(like);
}

void loop() {}