//?Car.java
public?class?Car?{
????public?String?name;
????public?int?rent_money;
????public?int?capacity_person;
????public?int?capacity_goods;

????public?Car(String?name,?int?rent_money,?int?capacity_person,?int?capacity_goods)?{
????????this.name?=?name;
????????this.rent_money?=?rent_money;
????????this.capacity_person?=?capacity_person;
????????this.capacity_goods?=?capacity_goods;
????}

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

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

????public?int?getRent_money()?{
????????return?rent_money;
????}

????public?void?setRent_money(int?rent_money)?{
????????this.rent_money?=?rent_money;
????}

????public?int?getCapacity_person()?{
????????return?capacity_person;
????}

????public?void?setCapacity_person(int?capacity_person)?{
????????this.capacity_person?=?capacity_person;
????}

????public?int?getCapacity_goods()?{
????????return?capacity_goods;
????}

????public?void?setCapacity_goods(int?capacity_goods)?{
????????this.capacity_goods?=?capacity_goods;
????}
}

//?SmallCar.java
public?class?SmallCar?extends?Car?{
????public?SmallCar(String?name,?int?rent_money,?int?capacity_person,?int?capacity_goods)?{
????????super(name,?rent_money,?capacity_person,?capacity_goods);
????}
}

//?Bus.java
public?class?Bus?extends?Car?{
????public?Bus(String?name,?int?rent_money,?int?capacity_person,?int?capacity_goods)?{
????????super(name,?rent_money,?capacity_person,?capacity_goods);
????}
}

//?Pick.java
public?class?Pick?extends?Car?{
????public?Pick(String?name,?int?rent_money,?int?capacity_person,?int?capacity_goods)?{
????????super(name,?rent_money,?capacity_person,?capacity_goods);
????}
}

//?Truck.java
public?class?Truck?extends?Car?{
????public?Truck(String?name,?int?rent_money,?int?capacity_person,?int?capacity_goods)?{
????????super(name,?rent_money,?capacity_person,?capacity_goods);
????}
}

//?Test.java
import?java.util.Scanner;

public?class?Test?{
????public?static?void?main(String[]?args)?{
????????System.out.println("歡迎使用噠噠租車(chē)系統(tǒng):");
????????System.out.println("您是否需要租車(chē):1是?0否");

????????int?is_rent?=?0;?//?是否租車(chē)
????????is_rent?=?new?Scanner(System.in).nextInt();
????????if?(is_rent?==?1)?{
????????????System.out.println("您可租車(chē)的類(lèi)型及價(jià)目表:");
????????????Car?cars[]?=?{
????????????????????new?SmallCar("奧迪A4",?500,?4,?0),
????????????????????new?SmallCar("馬自達(dá)6",?400,?4,?0),
????????????????????new?Pick("皮卡雪6",?450,?4,?2),
????????????????????new?Bus("金龍",?800,?20,?0),
????????????????????new?Truck("松花江",?400,?0,?4),
????????????????????new?Truck("依維柯",?1000,?0,?20),
????????????};
????????????System.out.println("序號(hào)?汽車(chē)名稱(chēng)?租金?容量");
????????????for?(int?i?=?0;?i?<?cars.length;?i++)?{
????????????????System.out.println(
????????????????????????i?+?1?+?"?"?+?cars[i].getName()?+?"?"?+?cars[i].getRent_money()?+?"元/天"?+?"?載人:"?+?cars[i].getCapacity_person()
????????????????????????????????+?"人?載貨:"?+?cars[i].getCapacity_goods()?+?"噸"
????????????????);
????????????}

????????????System.out.println("請(qǐng)輸入您要租賃汽車(chē)的數(shù)量");
????????????int?rent_count?=?0;?//?租車(chē)數(shù)量
????????????rent_count?=?new?Scanner(System.in).nextInt();
????????????Car?rent_cars[]?=?new?Car[rent_count];
????????????for?(int?i?=?0;?i?<?rent_count;?i++)?{
????????????????System.out.println("請(qǐng)輸入第"?+?(i?+?1)?+?"輛租賃的汽車(chē)序號(hào)");
????????????????int?number?=?0;?//?租車(chē)序號(hào)
????????????????number?=?new?Scanner(System.in).nextInt();
????????????????rent_cars[i]?=?cars[number?-?1];
????????????}

????????????int?rent_days?=?0;?//?租車(chē)天數(shù)
????????????System.out.println("請(qǐng)輸入您要租賃的天數(shù)");
????????????rent_days?=?new?Scanner(System.in).nextInt();

????????????int?person_count?=?0;?//?總載人數(shù)
????????????int?goods_count?=?0;??//?總載貨數(shù)
????????????int?rent_money_a_day?=?0;?//?租所選擇的所有車(chē)每天的租金

????????????System.out.println("您的賬單:");
????????????System.out.println("*****可載人的車(chē)有:");
????????????for?(int?i?=?0;?i?<?rent_cars.length;?i++)?{
????????????????if?(!(rent_cars[i]?instanceof?Truck))?{
????????????????????System.out.print(rent_cars[i].getName()?+?"?");
????????????????}
????????????????person_count?+=?rent_cars[i].getCapacity_person();
????????????????goods_count?+=?rent_cars[i].getCapacity_goods();
????????????????rent_money_a_day?+=?rent_cars[i].getRent_money();
????????????}

????????????System.out.println("共載人:"?+?person_count?+?"人");

????????????System.out.println("*****可載貨的車(chē)有:");
????????????for?(int?i?=?0;?i?<?rent_cars.length;?i++)?{
????????????????if?((rent_cars[i]?instanceof?Truck)?||?(rent_cars[i]?instanceof?Pick))?{
????????????????????System.out.print(rent_cars[i].getName()?+?"?");
????????????????}
????????????}
????????????System.out.println("共載貨:"?+?goods_count?+?"噸貨");

????????????System.out.println("*****租車(chē)總價(jià)格:"?+?rent_money_a_day?*?rent_days?+?"元");
????????}?else?{
????????????System.out.println("退出噠噠租車(chē)系統(tǒng)");
????????}
????????System.exit(0);

????}
}