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58 lines
1.6 KiB
Plaintext
58 lines
1.6 KiB
Plaintext
/*
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String constructors
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Examples of how to create strings from other data types
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created 27 July 2010
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by Tom Igoe
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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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}
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void loop() {
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String stringOne = "Hello String"; // using a constant String
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Serial.println(stringOne); // prints "Hello String"
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stringOne = String('a'); // converting a constant char into a String
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Serial.println(stringOne); // prints "a"
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String stringTwo = String("This is a string"); // converting a constant string into a String object
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Serial.println(stringTwo); // prints "This is a string"
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stringOne = String(stringTwo + " with more"); // concatenating two strings
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Serial.println(stringOne); // prints "This is a string with more"
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stringOne = String(13); // using a constant integer
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Serial.println(stringOne); // prints "13"
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stringOne = String(analogRead(0), DEC); // using an int and a base
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Serial.println(stringOne); // prints "453" or whatever the value of analogRead(0) is
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stringOne = String(45, HEX); // using an int and a base (hexadecimal)
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Serial.println(stringOne); // prints "2d", which is the hexadecimal version of decimal 45
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stringOne = String(255, BIN); // using an int and a base (binary)
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Serial.println(stringOne); // prints "11111111" which is the binary value of 255
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stringOne = String(millis(), DEC); // using a long and a base
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Serial.println(stringOne); // prints "123456" or whatever the value of millis() is
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// do nothing while true:
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while(true);
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}
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