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Arduino - Boolean Operators
Assume variable A holds 10 and variable B holds 20 then −
| Operator name | Operator simple | Description | Example |
|---|---|---|---|
| and | && | Called Logical AND operator. If both the operands are non-zero then then condition becomes true. | (A && B) is true |
| or | || | Called Logical OR Operator. If any of the two operands is non-zero then then condition becomes true. | (A || B) is true |
| not | ! | Called Logical NOT Operator. Use to reverses the logical state of its operand. If a condition is true then Logical NOT operator will make false. | !(A && B) is false |
Example
void loop () {
int a = 9,b = 4
bool c = false;
if((a > b)&& (b < a))
c = true;
else
c = false;
if((a == b)|| (b < a))
c = true;
else
c = false;
if( !(a == b)&& (b < a))
c = true;
else
c = false;
}
Result
c = true c = true c = true
arduino_operators.htm
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