基类和派生类小程序2--简单

class Person1

{

  protected String name;

  protected int age;

  public Person1(String name,int age)

  {

    this.name=name;

    this.age=age;

  }

  protected void show()

  {

    System.out.println("姓名:"+name+"   年龄:"+age);

  }

}

class Student1 extends Person1

{

  private String department;

  public Student1(String name,int age,String dep)

  {

    super(name,age);

    department=dep;

  }

  public void show()

  {

    System.out.println("系别:"+department);

  }

  public void subshow()

  {

    System.out.println("我在子类中!");

  }

}

public class App8_4 {

  public static void main(String []args)

  {

    Person1 per=new Student1("李强",20,"管理");

    Student1 stu=new Student1("王永涛",24,"电子");

    stu.show();

    stu.subshow();

  }

}

原文地址:https://www.cnblogs.com/duanqibo/p/11133948.html