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44 lines
942 B
C++
44 lines
942 B
C++
/*
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String Case changes
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Examples of how to change the case of a String
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created 27 July 2010
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modified 2 Apr 2012
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by Tom Igoe
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http://www.arduino.cc/en/Tutorial/StringCaseChanges
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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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// Open serial communications and wait for port to open:
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Serial.begin(9600);
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while (!Serial) {
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; // wait for serial port to connect. Needed for native USB port only
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}
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// send an intro:
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Serial.println("\n\nString case changes:");
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Serial.println();
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}
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void loop() {
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// toUpperCase() changes all letters to upper case:
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String stringOne = "<html><head><body>";
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Serial.println(stringOne);
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stringOne.toUpperCase();
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Serial.println(stringOne);
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// toLowerCase() changes all letters to lower case:
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String stringTwo = "</BODY></HTML>";
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Serial.println(stringTwo);
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stringTwo.toLowerCase();
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Serial.println(stringTwo);
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// do nothing while true:
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while (true);
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}
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