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35 lines
801 B
Plaintext
35 lines
801 B
Plaintext
14 years ago
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/*
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String length() and trim()
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Examples of how to use length() and trim() in a String
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created 27 July 2010
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by Tom Igoe
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http://arduino.cc/en/Tutorial/StringLengthTrim
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This example code is in the public domain.
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*/
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void setup() {
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Serial.begin(9600);
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Serial.println("\n\nString length() and trim():");
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}
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void loop() {
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// here's a String with empty spaces at the end (called white space):
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String stringOne = "Hello! ";
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Serial.print(stringOne);
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Serial.print("<--- end of string. Length: ");
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Serial.println(stringOne.length());
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// trim the white space off the string:
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stringOne = stringOne.trim();
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Serial.print(stringOne);
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Serial.print("<--- end of trimmed string. Length: ");
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Serial.println(stringOne.length());
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// do nothing while true:
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while(true);
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}
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