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dada租车系统 java第二季

慕前端8898791
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package carft;
/*

  • 定义车的属性,
  • 序号ID,名称name,价格value;
    */
    public class Car {
    private int id;
    private String name;
    private int value;

    /*

    • 封装
      */

    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 getValue() {
    return value;
    }

    public void setValue(int value) {
    this.value = value;
    }

/*

  • 重载
    */
    public void printss(){

}
}

package carft;
/*

  • 定义一个载客的车类
    */
    public class Bus extends Car implements IPassager{

    Bus(int id,String name,int value,int number){
    this.setId(id);
    this.setName(name);
    this.setValue(value);
    this.setIPassage(number);

    }
    private int number;
    @Override
    public int getIPassage() {
    // TODO Auto-generated method stub
    return number;
    }

    @Override
    public void setIPassage(int number) {
    // TODO Auto-generated method stub
    this.number=number;
    }
    public void printss(){
    System.out.println(getId()+".\t"+getName()+"\t"+getValue()+"元/天\t"
    +getIPassage()+"人\t");
    }
    }
    package carft;
    /*

  • 定义一个既可载客,又可载货的车类
    */
    public class Pickup extends Car implements ILoad ,IPassager{

    Pickup(int id,String name,int value,int number,int weight){
    this.setId(id);
    this.setName(name);
    this.setValue(value);
    this.setIPassage(number);
    this.setILoad(weight);
    }
    private int number;
    private int weight;
    /*

    • 封装
      /
      @Override
      public int getIPassage() {
      // TODO Auto-generated method stub
      return number;
      }
      @Override
      public void setIPassage(int number) {
      // TODO Auto-generated method stub
      this.number=number;
      }
      @Override
      public int getILoad() {
      // TODO Auto-generated method stub
      return weight;
      }
      @Override
      public void setILoad(int weight) {
      // TODO Auto-generated method stub
      this.weight=weight;
      }
      /
    • 打印出车子的信息,重载父类
      */
      public void printss(){
      System.out.println(getId()+".\t"+getName()+"\t"+getValue()+"元/天\t"
      +getIPassage()+"人\t"+getILoad()+"吨\t");
      }

}
package carft;
/*

  • 定义一个载货的车类
    */
    public class Truck extends Car implements ILoad{

    Truck(int id,String name,int value,int weight){
    this.setId(id);
    this.setName(name);
    this.setValue(value);
    this.setILoad(weight);

    }
    private int weight;

    public int getWeight() {
    return weight;
    }

    public void setWeight(int weight) {
    this.weight = weight;
    }

    public void printss(){
    System.out.println(getId()+".\t"+getName()+"\t"+getValue()+"元/天\t\t"
    +getILoad()+"吨\t");
    }

    @Override
    public int getILoad() {
    // TODO Auto-generated method stub
    return weight;
    }

    @Override
    public void setILoad(int weight) {
    // TODO Auto-generated method stub
    this.weight=weight;
    }

}
package carft;
/*

  • 定义一个载货的接口
    /
    public interface ILoad {
    int weight=0;
    public int getILoad();
    public void setILoad(int weight);
    }
    package carft;
    /
  • 定义一个载人的接口
  • 载客量LoadPassager
    /
    public interface IPassager {
    int number=0;
    public int getIPassage();
    public void setIPassage(int number);
    }
    package carft;
    import java.util.
    ;
    public class Main {

    void goon(){

    /*
     * 定义车型
     */
    
    Car[] cars={ new Bus(1,"奥迪A4",500,4), new Bus(2,"马自达6",400,4), 
            new Pickup(3,"皮卡雪6",450,4,2), new Pickup(4,"金龙",800,2,100),
            new Truck(5,"松花江",400,4), new Truck(6,"依维柯",1000,20),
    };
    
    /*
     * 界面输出租车信息
     */
    System.out.println("请问你是想要租车吗?1是;2否");
    Scanner inputt=new Scanner(System.in);
    int n=inputt.nextInt();
    if(n==1){
        System.out.println("可选:\n序号\t车型\t价格\t\t载客\t载重");
    
            for(int i=0;i<cars.length;i++){
                cars[i].printss();
            }
            System.out.println("请输入租车信息");
    
    }
    else{
    
        System.out.println("不要逗我了,哥!");
    }

    /*

    • 设置一个租车序号数组
      */
      System.out.println("请输入要租车的总数");
      Scanner in1=new Scanner(System.in);

      int num1=in1.nextInt();
      int strxu[]=new int[num1];

      for( int i=0;i<num1;i++){
      int j=i+1;
      System.out.println("请输入第"+j+"辆车的序号");

      Scanner in2=new Scanner(System.in);
      strxu[i]=in2.nextInt();
      if(strxu[i]<0strxu[i]>6){
          System.out.println("输入序号有误,请重新输入");
          i--;
      }

      }
      /*

      • 设置一个租车时间数组
        */
        int strday[]=new int[num1];

      for(int i=0;i<num1;i++){
      int j=i+1;
      System.out.println("请输入租第"+j+"辆车的时间");
      Scanner in3=new Scanner(System.in);
      strday[i]=in3.nextInt();

      }
      /*

      • 计算租车总金额
        /
        int[] price=new int[num1];
        int[] sum=new int[num1];
        int sumtotal=0;
        for(int i=0;i<num1;i++){
        int a=strxu[i];
        price[i]=cars[a].getValue();
        sum[i]=price[i]
        strday[i];
        sumtotal+=sum[i];
        System.out.println("第"+a+"辆车的单价为"+price[i]+"租车时间为"+strday[i]+
        "该车租用总金额"+sum[i]);
        }
        System.out.println("租车总金额为"+sumtotal);
        System.out.println("感谢光临");

    }
    public static void main(String[] args){
    Main ss=new Main();
    ss.goon();

    }

}

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载人和载货量直接设置为父类Car的private属性然后封装多好,你这样还要封装三次啊。Car[]的使用倒是有意思,学到了。

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