Java继承

package com.study.oop.demo05;

public class Person {

    protected String name = "哆啦A梦";

    public Person(){
        System.out.println("父类的构造方法");
    }

    //私有的方法无法被继承
    public void print(){
        System.out.println("Person");
    }
}

//=================================

package com.study.oop.demo05;

public class Student extends Person{
    private String name = "樱桃小丸子";

    public Student() {
        //隐藏代码：调用了父类的无参构造器
        super();//调用父类的构造器：必须要在子类的构造器的第一行
        System.out.println("子类的无参构造器");
    }

    public void print(){
        System.out.println("Student");
    }

    public void test1(){
        print();//Student
        this.print();//Student
        super.print();//Person
    }

    public void test(String name){
        System.out.println(name);//super
        System.out.println(this.name);//樱桃小丸子
        System.out.println(super.name);//哆啦A梦
    }
}

//=================================

package com.study.oop;

import com.study.oop.demo05.Student;


public class Application {
    public static void main(String[] args) {
        Student student = new Student();
//        student.test("super");
//        student.test1();
        
    }
}