Car System

1, the parent class

package Rent;
//交通工具类
public class Vehicle {
    private int id;
    private String name;
    private int rentPrice;
    public Vehicle(int id,String name,int rentPrice) {
        this.id=id;
        this.name=name;
        this.rentPrice=rentPrice;
    }
    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 getRentPrice() {
        return rentPrice;
    }
    public void setRentPrice(int rentPrice) {
        this.rentPrice = rentPrice;
    }
}

2, Passenger Van class

package Rent;
//载客车
public class Bus extends Vehicle{
    private int peopleNum;
    public Bus(int id,String name,int rentPrice,int peopleNum){
        super(id,name,rentPrice);        
        this.peopleNum=peopleNum;        
    }
    public void setPeopleNum(int peopleNum) {
        this.peopleNum = peopleNum;
    }
    public int getPeopleNum() {
        return peopleNum; 
    } 
    public String toString () { // Returns a string, the string will be returned by this targeting System.out.println (Bus) when printing objects instantiated class; 
        return  Super .getId () + "\ T" + Super .getName () + "\ T" + Super .getRentPrice () + "/ day \ t" + peopleNum + "people" ; 
            } 
}

3, trucks category

package rents;
// 载货车
public  class trunk extends Vehicle {
     private  int cargoNum;
    public Trunk ( int id, String name, int rentPrice, int cargoNum) {
         super (ie, name rentPrice);
        this .cargoNum = cargoNum;        
    } 
    Public  int getCargoNum () {
         return cargoNum; 
    } 
    Public  void setCargoNum ( int cargoNum) {
         this .cargoNum = cargoNum;
    }
    public String toString() {
        return super.getId()+"\t"+super.getName()+"\t"+super.getRentPrice()+"元/天\t"+cargoNum+"吨";
            }
}

4, manned truck class

package Rent;
//载人载货车
public class Bustrunk extends Vehicle{
    private int peopleNum;
    private int cargoNum;
    public Bustrunk(int id,String name,int rentPrice,int peopleNum,int cargoNum){
        super(id,name,rentPrice);
        this.peopleNum=peopleNum;
        this.cargoNum=cargoNum;       
    }
    public void setPeopleNum(int peopleNum) {
        this.peopleNum = peopleNum;
    }
    public int getPeopleNum() {
        return peopleNum;
    }
    public void setCargoNum(int cargoNum) {
        this.cargoNum = cargoNum;
    }
    public int getCargoNum() {
        return cargoNum;
    }
    public String toString() {
        return super.getId()+"\t"+super.getName()+"\t"+super.getRentPrice()+"元/天\t"+peopleNum+"人"+cargoNum+"吨";
    }
}

5, the test class

Package Rent;
 Import Classes in java.util *. ; public  class the Test {
     public  static  void main (String [] args) { 
        Bus Bus = new new Bus (. 1, "Audi", 500,4 ); 
        Trunk Trunk = new new Trunk (2, "east", 300,2 ); 
        Bustrunk btrunk = new new Bustrunk (. 3, "Rover", 600,5,1 ); 
        Vehicle Vehicle [] = {Bus, Trunk, btrunk}; 
        Scanner SC = new new Scanner (the System.in ); 
        System.out.println ( "Welcome to the Car rental system" );
        System.out.println ( "no. 1 Car 2 Car" );
         int n-= sc.nextInt ();
         Switch (n-) {
         Case . 1 : { 
            System.out.println ( "ID \ t" + "car names \ t "+" price \ T "+" capacity " );
             for ( int I = 0; I <vehicle.length; I ++ ) {     
                System.out.println (Vehicle [I]); 
            } 
            System.out.println ( " Please enter the number of rental car: " );
             int Total = sc.nextInt ();
             int TotalPrice = 0 ;
            int total people = 0;
            int totalcargo=0;
            int p=0;
            int c=0;
            Vehicle people[]=new Vehicle[total];
            Vehicle cargo[]=new Vehicle[total];
            for (int i = 1; i <=total; i++) 
            {
                int busPeople=0;
                int trunkCargo=0;
                int btrunkPeople=0;
                int btrunkCargo=0;
                int= 0. price ;                 
                System.out.println ( "Please enter" + i + "car number" );
                 int ID = ; sc.nextInt () 
                System.out.println ( "Please enter the number of days leased:" );
                 int Day = sc.nextInt (); 
                . price = Vehicle [-ID. 1] .getRentPrice () * Day; 
                TotalPrice + = . price;                
                 IF (Vehicle [-ID. 1] the instanceof Bus) { 
                    busPeople = bus.getPeopleNum (); 
                    people [P ++] = Vehicle [-ID. 1];                    
                }
                else if(vehicle[id-1] instanceof Trunk){
                     trunkCargo=trunk.getCargoNum();
                     cargo[c++]=vehicle[id-1];                     
                }
                else{
                    btrunkCargo=btrunk.getCargoNum();
                    btrunkPeople=btrunk.getPeopleNum();    
                    people[p++]=vehicle[id-1];
                    cargo[c++]=vehicle[id-1];
                }
                totalpeople+=busPeople+btrunkPeople;
                totalcargo+=trunkCargo+btrunkCargo;
            }
            System.out.println("");
            System.out.println("***************您的账单*******************");
            System.out.print("载人的车：");    for (int i = 0; i < p; i++) {               
                System.out.print(people[i].getName()+" ");        
            }
            System.out.println("");
            System.out.print("载货的车：");            
            breakfor( Int I = 0; I <C; I ++ ) { 
                of System.out.print (Cargo [I] .getName () + "" );            
            } 
            System.out.println ( "" ); 
            System.out.println ( " the total number of people can carry is: "+ totalpeople +" person \ t "+" total cargo: "+ totalcargo +" t " );     
            System.out.println ( " total amount: "+ totalprice +" yuan " );
         BREAK ; 
        } 
        Case 2 : 
            System.out.println ( "Thank you for using the system" ); 
            System.exit ( 0 );        
            :;
         Default 
            System.out.println ( "input error" ); 
            System.exit ( 0 );        
             BREAK ; 
        }                 
    } 
}

6, operating results