int getRating() {
return (moreThanFiveLateDeliveries()) ? 2 : 1;
}
boolean moreThanFiveLateDeliveries() {
return _numberOfLateDeliveries > 5;
}

int getRating() {
return (_numberOfLateDeliveries > 5) ? 2 : 1;
}
For more information see page 117 of Refactoring