package com.itwanger.twentythree;

/**
 * @author 微信搜「沉默王二」，回复关键字 PDF
 */
public class PersonDemo {
    public static void main(String[] args) {
        Person1 person = new Person1();
    }
}

class Person1 {
    private String name;
    private int age;
    private int sex;

    private void eat() {

    }

    private void sleep() {

    }

    private void dadoudou() {

    }
}


