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为什么我的代码这么多，，，，

来源：12-1 综合练习

七毛萨玛

2015-08-05 17:52

//汽车类
package com.oop;

public class Auto {

	private int id;

	private String name;

	private int perRent;

	public int getId() {
		return id;
	}

	public void setId(int id) {
		this.id = id;
	}

	public String getName() {
		return name;
	}

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

	public int getPerRent() {
		return perRent;
	}

	public void setPerRent(int perRent) {
		this.perRent = perRent;
	}

	public Auto(int id, String name, int perRent) {

		this.id = id;
		this.name = name;
		this.perRent = perRent;
	}

	public Auto() {

	}

}

//小汽车客车类

package com.oop;


public class Car extends Auto {


private int manned;


public int getManned() {

return manned;

}


public void setManned(int manned) {

this.manned = manned;

}


public Car() {

super();

}


public Car(int id, String name, int perRent,int manned) {

super(id, name, perRent);

this.manned=manned;

}

}

//卡车类

package com.oop;


public class Truck extends Auto {


private int load;


public int getLoad() {

return load;

}


public void setLoad(int load) {

this.load = load;

}


public Truck() {

super();

// TODO 自动生成的构造函数存根

}


public Truck(int id, String name, int perRent,int load) {

super(id, name, perRent);

this.load=load;

// TODO 自动生成的构造函数存根

}

}

//皮卡类

package com.oop;


public class Packup extends Auto {


private int manned;

private int load;


public int getManned() {

return manned;

}


public void setManned(int manned) {

this.manned = manned;

}


public int getLoad() {

return load;

}


public void setLoad(int load) {

this.load = load;

}


public Packup() {

super();

// TODO 自动生成的构造函数存根

}


public Packup(int id, String name, int perRent,int manned,int load) {

super(id, name, perRent);

this.manned=manned;

this.load=load;

// TODO 自动生成的构造函数存根

}

}

//汽车库类

package com.oop;


public class AutoDemo {


Auto []auto=new Auto[10];

public   AutoDemo(){

Auto auto1=new Car(1,"奥迪A4", 500, 4);

Auto auto2=new Car(2,"马自达6",400,4);

Auto auto3=new Packup(3,"皮卡雪6",450,4,2);

Auto auto4=new Car(4,"金龙", 800, 20);

Auto auto5=new Truck(5,"松花江",400,4);

Auto auto6=new Truck(6,"依维柯", 1000, 20);

auto[0]=auto1;

auto[1]=auto2;

auto[2]=auto3;

auto[3]=auto4;

auto[4]=auto5;

auto[5]=auto6;

}

public void show(){

for(int i=0;i<auto.length;i++){

if(auto[i]instanceof Car)

System.out.println(auto[i].getId()+"\t"+auto[i].getName()+"\t"+auto[i].getPerRent()+"\t"+"载人："+((Car) auto[i]).getManned());

else if(auto[i]instanceof Truck)

System.out.println(auto[i].getId()+"\t"+auto[i].getName()+"\t"+auto[i].getPerRent()+"\t"+"载货"+((Truck) auto[i]).getLoad());

else if(auto[i]instanceof Packup)

System.out.println(auto[i].getId()+"\t"+auto[i].getName()+"\t"+auto[i].getPerRent()+"\t"+"载人："+((Packup) auto[i]).getManned()+"载货"+((Packup) auto[i]).getLoad());

continue;

}

}


}

//计算类

package com.oop;


import java.util.Scanner;


public class Count {


int number;

int autoid1;

int autoid2;

int day;

public void Flow(){

System.out.println("请输入要租汽车的数量");

Scanner input=new Scanner(System.in);

    number=input.nextInt();

System.out.println("请输入第一辆车的序号");

autoid1=input.nextInt();

System.out.println("请输入第二辆车的序号");

autoid2=input.nextInt();

System.out.println("请输入租车天数");

day=input.nextInt();

}

public void show(){

AutoDemo a=new AutoDemo();

int rent=(a.auto[autoid1-1].getPerRent()+a.auto[autoid2-1].getPerRent())*day;

System.out.println("您的账单：");

System.out.println("可载人的有");

if(a.auto[autoid1-1] instanceof Car||a.auto[autoid1-1] instanceof Packup){

System.out.println(a.auto[autoid1-1].getName());

}

if(a.auto[autoid2-1] instanceof Car||a.auto[autoid2-1] instanceof Packup){

System.out.println(a.auto[autoid2-1].getName());

}else{

System.out.println("无");

}

System.out.println();

System.out.println("载货的有");

if(a.auto[autoid1-1] instanceof Truck||a.auto[autoid1-1] instanceof Packup){

System.out.println(a.auto[autoid1-1].getName());

}

if(a.auto[autoid2-1] instanceof Truck||a.auto[autoid2-1] instanceof Packup){

System.out.println(a.auto[autoid2-1].getName());

}else{

System.out.println("无");

}

System.out.println("总价为"+rent);

}

}

//测试类

package com.oop;

import java.util.Scanner;

public class Test {

public static void main(String[] args) {

System.out.println("欢迎使用哒哒租车系统");

Scanner input=new Scanner(System.in);

System.out.println("您是否要租车1.是  2.否");

if(input.nextInt()==1){

System.out.println("您可租车的类型及其价目表：");

System.out.println("序号               汽车名称            租金                 容量");

AutoDemo ad=new AutoDemo();        

ad.show();

Count ct=new Count();

ct.Flow();

ct.show();

}

else{

System.out.println("谢谢使用");

}

}


}


写回答 关注

1回答

  • Merderer零度
    2015-10-17 13:04:28
    public  class Car {
	private int carNumber;
	private String carName;
	private int carRentMoney;
	
	public int getCarNumber() {
		return carNumber;
	}
	public void setCarNumber(int carNumber) {
		this.carNumber = carNumber;
	}
	public String getCarName() {
		return carName;
	}
	public void setCarName(String carName) {
		this.carName = carName;
	}
	public int getCarRentMoney() {
		return carRentMoney;
	}
	public void setCarRentMoney(int carRentMoney) {
		this.carRentMoney = carRentMoney;
	}
}

public class passengerCar extends Car {
	private int CarCapacity;
	
	public passengerCar(int carNumber,String carName,int carRentMoney,int carCapacity){
		this.setCarNumber(carNumber);
		this.setCarName(carName);
		this.setCarRentMoney(carRentMoney);
		CarCapacity = carCapacity;
	}

	public int getCarCapacity() {
		return CarCapacity;
	}

	public void setCarCapacity(int carCapacity) {
		CarCapacity = carCapacity;
	}
}
    public class pickUp extends Car {
	private int CarCapacity;
	private int CarCarry;
	
	public pickUp(int carNumber,String carName,int carRentMoney,int CarCapacity,int CarCarry){
		this.setCarNumber(carNumber);
		this.setCarName(carName);
		this.setCarRentMoney(carRentMoney);
		this.CarCapacity = CarCapacity;
		this.CarCarry = CarCarry;	
	}
	public int getCarCapacity() {
		return CarCapacity;
	}
	public void setCarCapacity(int carCapacity) {
		CarCapacity = carCapacity;
	}
	public int getCarCarry() {
		return CarCarry;
	}
	public void setCarCarry(int carCarry) {
		CarCarry = carCarry;
	}
}
    public class trunkCar extends Car {
    private int CarCarry;
    
    public trunkCar(int carNumber,String carName,int carRentMoney,int CarCarry){
        this.setCarNumber(carNumber);
        this.setCarName(carName);
        this.setCarRentMoney(carRentMoney);
        this.CarCarry = CarCarry;
        }
    public int getCarCarry() {
        return CarCarry;
        }
    public void setCarCarry(int carCarry) {
        CarCarry = carCarry;
        }
}
    import java.util.Scanner;
public class Test {
/**
* @param args
*/
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        System.out.println("欢迎使用答答租车系统：");
        System.out.println("你是否要租车?  1是    2否");
        Scanner s = new Scanner(System.in);
        int  k = s.nextInt();
        if(k == 1){
            System.out.println("您可租车的类型及其价格表：");
            Car RentCar[] = {new passengerCar(1,"奥迪A4",500,4),new passengerCar(2,"马自达6",400,4),new pickUp(3,"皮卡雪6",450,4,2),new passengerCar(4,"金龙",800,20),new trunkCar(5,"松花江",400,4),new trunkCar(6,"依维柯",1000,20)};
            System.out.println("序号"+"\t"+"汽车名称"+"\t"+"\t"+"租金"+"\t"+"容量");
        for(int i = 0; i < 6; i++){
            ////若RentCar[i]它是客车类型的实例，则打印出客车应该有的属性值，这里注意强转，否则不会出现
                if(RentCar[i] instanceof passengerCar){
                    System.out.println(RentCar[i].getCarNumber()+"\t"+RentCar[i].getCarName()+"\t"+"\t"+RentCar[i].getCarRentMoney()+"/天"+"\t"+"载人："+((passengerCar)RentCar[i]).getCarCapacity()+"人");//将Car类型强制转换成passengerCar类，得到passegerCard的属性
                        }
            if(RentCar[i] instanceof pickUp){
                    System.out.println(RentCar[i].getCarNumber()+"\t"+RentCar[i].getCarName()+"\t"+"\t"+RentCar[i].getCarRentMoney()+"/天"+"\t"+"载人："+((pickUp)RentCar[i]).getCarCapacity()+"人  载货："+((pickUp)RentCar[i]).getCarCarry()+"吨");
                        }
            if(RentCar[i] instanceof trunkCar){
                    System.out.println(RentCar[i].getCarNumber()+"\t"+RentCar[i].getCarName()+"\t"+"\t"+RentCar[i].getCarRentMoney()+"/天"+"\t"+"载人："+((trunkCar)RentCar[i]).getCarCarry()+"吨");
                        }
            }
             System.out.println("请输入您要租汽车的数量：");
                //已经有Scanner对象，直接调用
            int totalNum = s.nextInt();
            int sum = 0;
            
            for(int j = 1; j <= totalNum; j++){
                System.out.println("请输入第"+j+"辆车的序号");
                int q = s.nextInt();
                switch(q){
                    case 1:
                    RentCar[0].getCarRentMoney();
                    case 2:
                    RentCar[1].getCarRentMoney();
                    case 3:
                    RentCar[2].getCarRentMoney();
                    case 4:
                    RentCar[3].getCarRentMoney();
                    case 5:
                    RentCar[4].getCarRentMoney();
                    case 6:
                    RentCar[5].getCarRentMoney();
                }
            sum = sum + RentCar[q-1].getCarRentMoney();
           }
               System.out.println("请输入租车的天数：");
                int day = s.nextInt();
                System.out.println("您的账单：");
                System.out.println(sum * day);
        }
      }
}


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