mirror of
https://github.com/arduino/Arduino.git
synced 2024-12-04 15:24:12 +01:00
33 lines
751 B
Plaintext
33 lines
751 B
Plaintext
|
/*
|
||
|
|
String length() and trim()
|
||
|
|
|
||
|
|
Examples of how to use length() and trim() in a String
|
||
|
|
|
||
|
|
created 27 July 2010
|
||
|
|
by Tom Igoe
|
||
|
|
|
||
|
|
This example code is in the public domain.
|
||
|
|
*/
|
||
|
|
|
||
|
|
void setup() {
|
||
|
|
Serial.begin(9600);
|
||
|
|
Serial.println("\n\nString length() and trim():");
|
||
|
|
}
|
||
|
|
|
||
|
|
void loop() {
|
||
|
|
// here's a String with empty spaces at the end (called white space):
|
||
|
|
String stringOne = "Hello! ";
|
||
|
|
Serial.print(stringOne);
|
||
|
|
Serial.print("<--- end of string. Length: ");
|
||
|
|
Serial.println(stringOne.length());
|
||
|
|
|
||
|
|
// trim the white space off the string:
|
||
|
|
stringOne = stringOne.trim();
|
||
|
|
Serial.print(stringOne);
|
||
|
|
Serial.print("<--- end of trimmed string. Length: ");
|
||
|
|
Serial.println(stringOne.length());
|
||
|
|
|
||
|
|
// do nothing while true:
|
||
|
|
while(true);
|
||
|
|
}
|