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String.equals()
Description
Compares two Strings for equality. The comparison is case-sensitive, meaning the String "hello" is not equal to the String "HELLO".
Syntax
myString.equals(myString2)
Parameter Values
- myString, myString2: variables of type String.
Return Values
- true: If string equals string2.
- false: Otherwise.
Example Code
void setup() {
Serial.begin(9600);
String myString = "Arduino";
if (myString.equals("Arduino"))
Serial.println("Two strings is equal to each other");
else
Serial.println("Two strings is NOT equal to each other");
}
void loop() {
}
The result on Serial Monitor:
COM6
Two strings is equal to each other
Autoscroll
Clear output
9600 baud
Newline
※ NOTES AND WARNINGS:
If the string is modified, it is highly recommended using String.reserve() to prevent the memory fragmentation issue
See Also
- Language : Arduino - String
- Language : String.c_str()
- Language : String.charAt()
- Language : String.compareTo()
- Language : String.concat()
- Language : String.endsWith()
- Language : String.equalsIgnoreCase()
- Language : String.getBytes()
- Language : String.indexOf()
- Language : String.lastIndexOf()
- Language : String.length()
- Language : String.remove()
- Language : String.replace()
- Language : String.reserve()
- Language : String.setCharAt()
- Language : String.startsWith()
- Language : String.substring()
- Language : String.toCharArray()
- Language : String.toDouble()
- Language : String.toFloat()
- Language : String.toInt()
- Language : String.toLowerCase()
- Language : String.toUpperCase()
- Language : String.trim()
- Example : String Tutorials
※ ARDUINO BUY RECOMMENDATION
| Arduino UNO R3 | |
| Arduino Starter Kit |
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