public boolean sleepIn(boolean weekday, boolean vacation) {
if (!weekday || vacation) {
return true;
}
return false;
// Solution notes: better to write "vacation" than "vacation == true"
// though they mean exactly the same thing.
// Likewise "!weekday" is better than "weekday == false".
// This all can be shortened to: return (!weekday || vacation);
// Here we just put the return-false last, or could use an if/else.
}