Java学习笔记15

public class HR{                                 |                           

  String name;                              

  int id;

  private int age;

  public void say(){

  System.out.println("名字"+name+"编号"+id+"年龄"+age);

  }

  public void setAge(int age){

  if(age<=60&&age>=26){

  this.age=age;

  }else{

  this.age=0;

  }

  }

  public int getAge(){

  return age;

  }

}


 

public class Shuchu{

  public static void main(String[] args){

  Shuchu shuchu=new Shuchu();

  shuchu.name="あの方";

  shuchu.id=999;

//被private 修饰的属性只能用方法(接口)访问,不能用***.***。系统会报权限错误。

  shuchu.setAge(10000);

  shuchu.say();

  }

}

posted @ 2019-03-29 16:41  ちょうご  阅读(58)  评论(0编辑  收藏  举报