Logical operator is an operator that determines the truth by a combination of two or more variables. This logical operator is often used in validation, if else code and so on.
Cheat Sheet
| && |
AND (and) Used to return a value when all values are true. |
| || |
OR (or) Used to return a value when either value is true. |
| ! |
NOT (not) Used to produce a negation of truth |
Code Example
Please run the code below on the dart pad.
void main(){
bool a = true;
bool b = false;
print("&& AND");
print(a&&b);
print("\n|| OR");
print(a||b);
print("! NOT b");
print(!b);
}
Or you can run the snippet below
If the snippet doesn't work, you can open it on this snippet
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