1.輸出是英文，因為不知道為啥?我的eclipse輸入中文總出現問題

2.租車類型及價目表的那個表沒有具體畫

3.scanner不太會用，提示資源泄漏和未關閉

4.好像寫麻煩了，但是秉持著再修改再改造的思路編的，請求指導

package cn.zjy.easyCar;

import java.util.Scanner;

public class easyCar {

//--------------------------------------------------------------------------------------------------------------------------------------------

public static void main(String[] args) {

System.out.println("Welcome to DADA Car Rental! ");

//判斷是否要租車

System.out.println("Do you want to rent cars: 1-->yes 0-->no");

Scanner input = new Scanner(System.in);

int i = input.nextInt();

if(i==0) {

System.out.println("eixt");

}else if(i==1) {

//開啟進程

new Thread(new TCarRent()).start();

}

}

}

//--------------------------------------------------------------------------------------------------------------------------------------------

//租車線程

class TCarRent implements Runnable{

public void run() {

System.out.println("The car you can rent and the rent:");

CarList carlist = new CarList();

carlist.show();

//定義鍵盤輸入租車數目和存儲選擇車編號的數組

System.out.println("How many car you want to rent:");

Scanner input = new Scanner(System.in);

int rentNum = input.nextInt();

int rentList[]=new int[rentNum];

for(int i=0;i<rentNum;i++) {

System.out.println("Please input No."+(i+1)+" car's carNum:");

//鍵盤輸入租車編號

Scanner in =new Scanner(System.in);

rentList[i] = in.nextInt();

}

//輸入租車天數

System.out.println("Please input the day you want to rent:");

int rentDay;

Scanner day =new Scanner(System.in);

rentDay = day.nextInt();

//

carBill carbill = new carBill(rentNum,rentList);

System.out.println("Your bill:");

//統計載客的車

System.out.println("The car can carry passenger:");

int Stapass = carbill.StaPassenger(); //返回載客數目 同時會打印載客的車都有哪些

System.out.println("Passenger carrying capacity: "+Stapass);

//統計載貨的車

System.out.println("The car can carry cargo:");

int Stacargo = carbill.StaCargo(); //返回載客數目 同時會打印載客的車都有哪些

System.out.println("Cargo carrying capacity: "+Stacargo);

//計算總租金

System.out.println("Total Price: "+carbill.totalPrice(rentDay));

}

}

//--------------------------------------------------------------------------------------------------------------------------------------------

//達達租車公司的租車類型和價目表

abstract class Car{

int carNum;

String carName;

int carRent;

boolean carryPassenger;? //是否可以載人

boolean carryCargo;? //是否可以再貨

int carryNumP ;

int carryNumC ;

}

//具體是車類類型

//客車類 只能載人

class Bus extends Car{

int carryNumC=0 ;

public Bus(int carNum, String carName, int carRent, boolean carryPassenger, boolean carryCargo, int carryNumP) {

super();

this.carNum = carNum;

this.carName = carName;

this.carRent = carRent;

this.carryPassenger = carryPassenger;?

this.carryCargo = carryCargo;?

this.carryNumP = carryNumP;

}

}

//皮卡車類 可載人載貨

class Pickup extends Car{

public Pickup(int carNum, String carName, int carRent, boolean carryPassenger, boolean carryCargo, int carryNumP,int carryNumC ) {

super();

this.carNum = carNum;

this.carName = carName;

this.carRent = carRent;

this.carryPassenger = carryPassenger;

this.carryCargo = carryCargo;

this.carryNumP = carryNumP;

this.carryNumC = carryNumC;

}

}

//貨車類 只能載貨

class Trunk extends Car{

int carryNumP =0;

public Trunk(int carNum, String carName, int carRent, boolean carryPassenger, boolean carryCargo, int carryNumC ) {

super();

this.carNum = carNum;

this.carName = carName;

this.carRent = carRent;

this.carryPassenger = carryPassenger;

this.carryCargo = carryCargo;

this.carryNumC = carryNumC;

}

}

//車目清單

class CarList{

Car AudiA4 = new Bus(1,"AudiA4",500,true,false,4);

Car Mazda6 = new Bus(2,"Mazda6",400,true,false,4);

Car Pickup6 = new Pickup(3,"Pickup6",450,true,true,4,2);

Car JinLong = new Bus(4,"JinLong",800,true,false,20);

Car SHJ = new Trunk(5,"SHJ",400,false,true,4);

Car? Iveco = new Trunk(6,"Iveco",1000,false,true,20);

public void show() {

System.out.println("Car List:?租車類型及其價目表");

}

}

//--------------------------------------------------------------------------------------------------------------------------------------------

//賬單類

class carBill {

int rentNum;

int[] rentList;

Car[] CarArray;

int rentDay;

//構造方法 進行初始化

public carBill(int rentNum,int[] rentList) {

this.rentNum = rentNum;

this.rentList = rentList;

this.CarArray = new Car[rentNum];

CarList cl = new CarList();

for(int i=0;i<rentNum;i++) {

switch(this.rentList[i]){

case 1:

CarArray[i] = cl.AudiA4;

break;

case 2:

CarArray[i] = cl.Mazda6;

break;

case 3:

CarArray[i] = cl.Pickup6;

break;

case 4:

CarArray[i] = cl.JinLong;

break;

case 5:

CarArray[i] = cl.SHJ;

break;

case 6:

CarArray[i] = cl.Iveco;

break;

}

}

}

//判斷載客的車和可以載客的數目

public int StaPassenger() {

int sumPassenger = 0; //用來統計載客數

for(int i=0;i<rentNum;i++) {

if(CarArray[i].carryPassenger) {

System.out.println(CarArray[i].carName);

sumPassenger += CarArray[i].carryNumP;

}

}

return sumPassenger;

}

//判斷載貨的車和可以載貨的數目

public int StaCargo() {

int sumCargo = 0;

for(int i=0;i<rentNum;i++) {

if(CarArray[i].carryCargo) {

System.out.println(CarArray[i].carName);

sumCargo += CarArray[i].carryNumC;

}

}

return sumCargo;

}

//租車總價格計算方法

public int totalPrice(int rentDay) {

this.rentDay = rentDay;

int sum = 0;

for(Car i:CarArray) {

sum += i.carRent;

}

sum *= rentDay;

return sum;

}

}