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基类和派生类小程序2--简单

孟祥忠诗歌 2022-06-08 阅读 122


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();
  }
}
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