+=
Description
This is a convenient shorthand to perform addition on a variable with another constant or variable.
Syntax
x += y; // equivalent to the expression x = x + y;
Parameter Values
- x: variable. Allowed data types: int, float, double, byte, short, long.
- y: variable or constant. Allowed data types: int, float, double, byte, short, long.
Example Code
void setup() {
Serial.begin(9600);
int x = 2;
x += 4; // x now contains 6
Serial.print("x = ");
Serial.println(x);
}
void loop() {
}
The result on Serial Monitor:
8
Serial.println("Hello World!");
Message (Enter to send message to 'Arduino Uno' on 'COM15')
New Line
9600 baud
x = 6
See Also
- Language : &= (compound bitwise and)
- Language : |= (compound bitwise or)
- Language : ^= (compound bitwise xor)
- Language : /= (compound division)
- Language : *= (compound multiplication)
- Language : %= (compound remainder)
- Language : -= (compound subtraction)
- Language : -- (decrement)
- Language : ++ (increment)
- Language : Normal Addition
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