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package homeworks.www;/** *  * 汽车类 (父类) * 描述： 客户一次租赁多辆不同品牌的不同型号的汽车若干天，计算总租金 *                 轿车 *  别克商务仓GL8(日租费600)  宝马550i(日租费500)   别克林荫大道 (日租费300) *                 客车 *   16座以下(日租费800)   16座以上(日租费1500)                           * */public abstract class MotoVehicle {    private String no;//车牌号    private String brand;//品牌(别克   宝马    金杯   金龙)    /**     *      * getter ,setter方法     */    public String getNo() {        return no;    }    public void setNo(String no) {        this.no = no;    }    public String getBrand() {        return brand;    }    public void setBrand(String brand) {        this.brand = brand;    }    /**     * 构造方法     */    public MotoVehicle(){    }    public MotoVehicle(String no,String brand){             this.brand=brand;             this.no=no;    }    /**     *      * @param days 租赁的天数     * @return  返回租赁的费用     * 定义抽象方法，子类重写     */     public abstract int calRent(int days);}package homeworks.www;/** *  * 轿车类继承汽车类 *  */public final class Car extends MotoVehicle {    private String type;//型号属性有商务舱GL8,550i, 林荫大道    public String getType() {        return type;    }    public void setType(String type) {        this.type = type;    }    public Car() {        super();    }    public Car(String no, String brand, String type) {        super(no, brand);        this.type = type;    }    /**     * 重写父类抽象方法(轿车类计算租金)     */    public int calRent(int days) {        int money=0;        if (super.getBrand().equals("宝马")) {            money=days*500;        }else if (super.getBrand().equals("别克")&&type.equals("商务舱GL8")) {            money=days*600;        }else {            money=days*300;        }         return money;    }}package homeworks.www;/** *  * 客车类继承汽车类 * */public final  class Bus extends MotoVehicle {    private int seataCount;//座位数    public int getSeataCount() {        return seataCount;    }    public void setSeataCount(int seataCount) {        this.seataCount = seataCount;    }    public Bus(){    }    public Bus(String no, String brand, int seataCount) {        super(no, brand);        this.seataCount = seataCount;    }    /**     * 重写父类抽象方法(汽车类计算租金)     */    public int calRent(int days) {        int money=0;        if (seataCount<=16) {            money=days*800;        }else {            money=days*1500;        }        return money;    }}package homeworks.www;/** *  * 顾客类(计算总租金) * */public class Customer {    public int calTotalRent(MotoVehicle motos[],int days){        int sum=0;        for (int i = 0; i < motos.length; i++) {            sum+=motos[i].calRent(days);        }        System.out.println("总租金为："+sum);        return sum;    }}package homeworks.www;public class TestM {    public static void main(String[] args) {        int days=5;        MotoVehicle[] motos=new MotoVehicle[4];        Customer customer=new Customer();        motos[0]=new Car("京NY28588", "宝马", "550i");        motos[1]=new Car("京NNN3284", "宝马", "550i");        motos[2]=new Car("京NT4375", "别克", "林荫大道");        motos[3]=new Bus("京5643765", "金龙", 34);        customer.calTotalRent(motos, days);    }}