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}public class Demo {public Demo() {// TODO 自动生成的构造函数存根}public static void main(String[] args) {// TODO 自动生成的方法存根System.out.println("欢迎来到在线租车系统：");System.out.println("可供选择的车辆有如下几种：");Bus bus = new Bus();Truck truck = new Truck();Pickup_truck pickup = new Pickup_truck();System.out.println("型号"+" "+"车名"+" "+"日租金额"+" "+"类型"+" "+"容量");bus.vehicle_message (bus.num,bus.name,bus.rental_cost);bus.vehicle_type (bus.passenger_num, bus.goods_num);bus.capacity (bus.passenger_num,bus.goods_num);truck.vehicle_message (truck.num,truck.name,truck.rental_cost);truck.vehicle_type (truck.passenger_num, truck.goods_num);truck.capacity (truck.passenger_num,truck.goods_num);pickup.vehicle_message (pickup.num,pickup.name,pickup.rental_cost);pickup.vehicle_type (pickup.passenger_num, pickup.goods_num);pickup.capacity (pickup.passenger_num,pickup.goods_num);System.out.println ("请手动输入您要租用的车辆型号以及租车量:");Scanner in = new Scanner(System.in);int choice = in.nextInt();int num = in.nextInt();int cost = 0,p_num = 0,g_num = 0;if(choice == 1) {System.out.println("您已选择：");p_num = num*bus.passenger_num;cost = cost+bus.rental_cost*num;System.out.println("客车"+" "+"载客量为："+p_num+" "+"金额为："+cost+"元");}else if(choice == 2) {System.out.println("您已选择：");g_num = num*truck.goods_num;cost = cost+truck.rental_cost*num;System.out.println("货车"+" "+"载货量为："+g_num+" "+"金额为："+cost+"元");}else {System.out.println("您已选择：");p_num = num*pickup.passenger_num;g_num = num*pickup.goods_num;cost = cost+pickup.rental_cost*num;System.out.println("皮卡"+" "+"载客量为："+p_num+"，载货量为："+g_num+" "+"金额为："+cost+"元");}System.out.println("是否继续选择租用车辆：输入0继续，输入1退出租车系统");int flag = in.nextInt();while(flag != 1) {System.out.println ("请手动输入您要租用的车辆型号以及租车量:");choice = in.nextInt();num = in.nextInt();if(choice == 1) {System.out.println("您已选择：");p_num = p_num+num*bus.passenger_num;cost = cost+bus.rental_cost*num;System.out.println("客车"+" "+"载客量为："+p_num+" "+"金额为："+cost+"元");}else if(choice == 2) {System.out.println("您已选择：");g_num = g_num+num*truck.goods_num;cost = cost+truck.rental_cost*num;System.out.println("货车"+" "+"载货量为："+g_num+" "+"金额为："+cost+"元");}else {System.out.println("您已选择：");p_num = p_num+num*pickup.passenger_num;g_num = g_num+num*pickup.goods_num;cost = cost+pickup.rental_cost*num;System.out.println("皮卡"+" "+"载客量为："+p_num+"，载货量为："+g_num+" "+"金额为："+cost+"元");}System.out.println("是否继续选择租用车辆：输入0继续，输入1退出租车系统");flag = in.nextInt();}System.out.println("以下是您的租车清单:");System.out.println("总载客量为："+p_num+" "+"总载货量为："+g_num+" "+"总金额为："+cost+"元");System.out.println("感谢您的使用，在线租车系统很乐意为您服务,欢迎下次光临！");}}
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