import java.util.ArrayList;
import java.util.Date;
public class Schedule {
ArrayList<Flight> flightList = new ArrayList();
java.util.Date date = new java.util.Date();
public Schedule() {
flightList = new ArrayList(flightList);
this.date.getTime();
}
public Flight findFlight(String num){
for (Flight flight: flightList)
if (flight.getFlightnum().equals(num)){
return flight;}
else
return null;
}
findFlight这个方法,总是显示我的return类型有错误.明明是匹配的了,这是为啥呢?