Day7-22下午自习

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Person类

public class Person
{
    String name;
    int age;
    Person(){}
    Person(String name, int age){
        this.name = name;
        this.age = age;
    }

    public String getName()
    {
        return name;
    }

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

    public int getAge()
    {
        return age;
    }

    public void setAge(int age)
    {
        this.age = age;
    }

Teacher类：

public class Teacher extends Person
{
    String kecheng;
    Teacher(){}
    Teacher(String kecheng){
       this.kecheng = kecheng;
    }

    public String getKecheng()
    {
        return kecheng;
    }

    public void setKecheng(String kecheng)
    {
        this.kecheng = kecheng;
    }
    public void showMsg(){
        System.out.println(this.age+"岁的"+this.name+",讲授了"+kecheng+"课" );
    }

student类：

public class Student extends Person
{
    int num;
        Student(){}
    Student(int num, String kaoshi){
        this.num= num;
    }
    public int getNum()
    {
        return num;
    }
    public void setNum(int num)
    {
        this.num = num;
    }
    public  void showMsg(){
        System.out.println(this.age+"岁的"+this.name+",考试得了"+num+"分");
    }

结果：

image.png image.png

Auto类：

public class Auto
{
    String pinpai;
    double chechang;
    double jiage;

    public String getPinpai()
    {
        return pinpai;
    }

    public void setPinpai(String pinpai)
    {
        this.pinpai = pinpai;
    }

    public double getChechang()
    {
        return chechang;
    }

    public void setChechang(double chechang)
    {
        this.chechang = chechang;
    }

    public double getJiage()
    {
        return jiage;
    }

    public void setJiage(double jiage)
    {
        this.jiage = jiage;
    }
    public  void panduan (){
        if (chechang<=4295){

        }
    }

SUV类

public class SUV extends Auto
{

    public void panduan()
    {
        if (this.chechang > 4295 && this.chechang <= 5070) {
            System.out.println("车型：" + this.pinpai + "\n" + "价格：" + this.jiage + "\n" + "车长:"+chechang);
        } else if (this.chechang <= 4295) {
            System.out.println("车型：" + this.pinpai + "\n" + "价格：" + this.jiage + "\n" + "车长:"+chechang);
        } else if (this.chechang > 5070) {
            System.out.println("车型：" + this.pinpai + "\n" + "价格：" + this.jiage + "\n" + "车长:"+chechang);
        }
    }

测试类：

    public static void main(String[] args)
    {
        ArrayList<String> list = new ArrayList<>();
        SUV a  = new SUV();
        SUV b  = new SUV();
        SUV c  = new SUV();
        SUV d  = new SUV();
        a.chechang= 4813.0;
        a.jiage = 76000.0;
        a.pinpai="SUV";
        b.chechang = 4545.0;
        b.jiage = 188800.0;
        b.pinpai = "SUV";
        c.chechang= 4100.0;
        c.jiage = 199999.0;
        c.pinpai = "小车";
        d.chechang = 5100.0;
        d.jiage = 888888.0;
        d.pinpai = "大车";
        a.panduan();
        b.panduan();
        c.panduan();
        d.panduan();
    }

结果：

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