In Dart, and and or are used to combine boolean expressions.
The and operator (&&) is used to check if both expressions are true:
bool expressionA = true;
bool expressionB = false;
if(expressionA && expressionB) {
print("This won't be printed because expressionB is false");
} else {
print("At least one expression is false");
}
The output of the code above will be:
At least one expression is false
The or operator (||) is used to check if at least one of the expressions is true:
bool expressionC = true;
bool expressionD = false;
if(expressionC || expressionD) {
print("At least one expression is true");
} else {
print("Both expressions are false so this will never be printed");
}
The output of the code above will be:
At least one expression is true