package Day08;

public class Demo8_Person {
    public static void main(String[]args){
        Student s=new Student();
        s.setAge(23);
        s.setName("小米");
        s.eat();
        s.study();
        System.out.println(s.getName()+"空參構造"+s.getAge());
        System.out.println("==========================================");
        Student s2=new Student("小明",24);
        s2.eat();
        s2.study();
        System.out.println(s2.getName()+"有參構造"+s2.getAge());
    }
}
class Person{
    private String name;
    private int age;
    public Person(){

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

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

    public int getAge() {
        return this.age;
    }

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

    public String getName() {
        return this.name;
    }
    public void eat(){
        System.out.println(name+"人吃飯");
    }
}
class Student extends Person{
    public Student(){

    }
    public Student(String name,int age){
        super(name, age);
    }

    public void study(){
        System.out.println(getName()+"學生學習");//在子類中獲取姓名的話使用getname，使用的話加上this或者super（不加隱藏了一個this代表的當前物件）
    }
}

class Teacher extends Person{

    public Teacher(){

    }
    public Teacher(String name,int age){
        super(name, age);
    }

    public void teach(){
        System.out.println("老師講課");
    }
}