类的封装

package com.company;

    /*
        类的封装
          1 成员变量必须是私有化 pricate修饰
          2 使用getter setter提供对外的访问方式
      */
public class demo01 {
    public String name;
    public int age;
    // 设置值  setter
    public void setName(String name){
        this.name = name;
    }
    //获取值  getter
    public String getName(){
        return this.name;
    }
    public void setAge(int age){
        this.age = age;
    }
    public int getAge(){
        return this.age;
    }
}


ackage com.company;

public class demo02 {
    public static void main(String[] args) {
        demo01 demo01 = new demo01();
        demo01.name =("小明");
        demo01.age = (19);
        System.out.println(demo01.getName());
        System.out.println(demo01.getAge());


    }
}