StringAppendOperator - stringOne += 0;...

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/* Appending to Strings using the += operator and concat() Examples of how to append different data types to strings created 27 July 2010 modified 4 Sep 2010 by Tom Igoe http://arduino.cc/en/Tutorial/StringAppendOperator This example code is in the public domain. */ String stringOne, stringTwo; S void setup() { Serial.begin(9600); stringOne = String("Sensor "); stringTwo = String("value"); Serial.println("\n\nAppending to a string:"); } void loop() { Serial.println(stringOne); // prints "Sensor " // adding a string to a string: stringOne += stringTwo; Serial.println(stringOne); // prints "Sensor value" // adding a constant string to a string: stringOne += " for input "; Serial.println(stringOne); // prints "Sensor value for input" // adding a constant character to a string: stringOne += 'A'; Serial.println(stringOne); // prints "Sensor value for input A" // adding a constant integer to a string:
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Unformatted text preview: stringOne += 0; Serial.println(stringOne); // prints "Sensor value for input A0" // adding a constant string to a string: stringOne += ": "; Serial.println(stringOne); // prints "Sensor value for input" // adding a variable integer to a string: stringOne += analogRead(A0); Serial.println(stringOne); // prints "Sensor value for input A0: 456" or whatever analogRead(A0) is w Serial.println("\n\nchanging the Strings' values"); stringOne = "A long integer: "; stringTwo = "The millis(): "; // adding a constant long integer to a string: stringOne += 123456789; Serial.println(stringOne); // prints "A long integer: 123456789" // using concat() to add a long variable to a string: stringTwo.concat(millis()); Serial.println(stringTwo); // prints "The millis(): 43534" or whatever the value of the millis() is o // do nothing while true: while(true); }...
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StringAppendOperator - stringOne += 0;...

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