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今天比較閑，?編了一套，一共4個?class。不懂62616964757a686964616fe59b9ee7ad9431333335303462再問。

這格式真要命，湊活看吧。public?enum?AirClass{

FIRST,

SECOND,

THIRD

}

--------------------------------------------

public?class?Customer{

private?String?name;

private?int?ticketNumber;

private?AirClass?airClass;

public?Customer(String?name,?int?ticketNumber,?AirClass?airClass){

this.name?=?name;

this.ticketNumber?=?ticketNumber;

this.airClass?=?airClass;

}

public?String?getName()?{??return?name;?}

public?void?setName(String?name)?{??this.name?=?name;?}

public?int?getTicketNumber()?{??return?ticketNumber;?}

public?AirClass?getAirClass()?{??return?airClass;?}

}

------------------------------------------------

import?java.util.LinkedList;

import?java.util.List;

public?class?AirLine?{

private?String?destination;

private?String?flightName;

private?String?flightNumber;

private?int?dayOfWeek;

private?int?capacity;

private?int?remainder;

private?List?booking?=?new?LinkedList();

private?List?preBooking?=?new?LinkedList();

public?AirLine(String?destination,?String?flightName,?String?flightNumber,???int?dayOfWeek,?int?capacity)?{

this.destination?=?destination;

this.flightName?=?flightName;

this.flightNumber?=?flightNumber;

this.dayOfWeek?=?dayOfWeek;

this.capacity?=?capacity;

this.remainder?=?capacity;?}

public?String?getDestination()?{??return?destination;?}

public?String?getFlightName()?{??return?flightName;?}

public?String?getFlightNumber()?{??return?flightNumber;?}

public?int?getDayOfWeek()?{??return?dayOfWeek;?}

public?int?getCapacity()?{??return?capacity;?}

public?int?getRemainder()?{??return?remainder;?}

public?List?getBooking()?{??return?booking;?}

public?List?getPreBooking()?{??return?preBooking;?}

public?boolean?addBooking(Customer?c)?{

if?(this.remainder?>=?c.getTicketNumber())?{

this.remainder?=?this.remainder?-?c.getTicketNumber();

this.booking.add(c);

return?true;

}?else?{

this.preBooking.add(c);

return?false;

}

}

public?void?removeBooking(Customer?c)?{

if?(this.booking.contains(c))?{

this.booking.remove(c);

this.remainder?=?this.remainder?+?c.getTicketNumber();

}?else?{

throw?new?IllegalArgumentException("Customer?not?found.");

}

}

public?void?removePreBooking(Customer?c)?{

if?(this.preBooking.contains(c))?{

this.preBooking.remove(c);

}?else?{

throw?new?IllegalArgumentException("Customer?not?found.");

}

}

public?String?toString()?{

return?this.flightName?+?":?"?+?this.flightNumber?+?":?"

+?this.dayOfWeek?+?":?"?+?this.remainder;

}

}

---------------------------------

import?java.util.Calendar;import?java.util.Date;

import?java.util.LinkedList;import?java.util.List;

import?java.util.concurrent.TimeUnit;

public?class?Main?{

private?List?airLines?=?new?LinkedList();

private?void?init()?{

final?AirLine?airLine1?=?new?AirLine("beijing",?"flightName",????"flightNumber",?Calendar.MONDAY,?300);

this.airLines.add(airLine1);

//?自己加新的?airLine2,?airLine3?...

final?Customer?customer1?=?new?Customer("Tom",?2,?AirClass.FIRST);

airLine1.addBooking(customer1);

//?自己加新的?customer2,?customer3?...

}

public?AirLine?search(String?destination)?{

if?(destination?==?null)???return?null;

final?int?currenDayOfWeek?=?Calendar.getInstance().get(????Calendar.DAY_OF_WEEK);

AirLine?res?=?null;

int?diffToCurrenDate?=?7;

for?(AirLine?a?:?airLines)?{

if?(destination.equals(destination))?{

if?(res?==?null)?{

res?=?a;

continue;

}

int?diff?=?a.getDayOfWeek()?-?currenDayOfWeek;

if?(diff?

if?(diff?

diffToCurrenDate?=?diff;

res?=?a;

}

}

}

if?(res?==?null)?{

System.out.println("Not?found");

}?else?{

System.out.println("日期?"?????+?new?Date(System.currentTimeMillis()???????+?TimeUnit.DAYS.toMillis(diffToCurrenDate))?+?"?:?"?????+?res.toString());

}

return?res;

}

public?void?booking(AirLine?a,?Customer?c)?{

if?(a.addBooking(c))?{

System.out.println("訂到了");

}?else?{

System.out.println("排隊中");

}

}

public?void?cancel(AirLine?a,?Customer?c)?{

a.removeBooking(c);

for?(Customer?pre?:?a.getPreBooking())?{

if?(a.addBooking(pre))?{

a.removePreBooking(pre);

System.out.println("排隊的訂到了");

break;

}?else?{

System.out.println("票余量不夠當前面排隊的人，?下一個");

}

}

}

}

總結

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