JAVA面向对象基础：入门，搞懂对象
package com.itheima.duyixiang; import java.util.ArrayList; import java.util.List; public class Test { public static void main(String[] args) { Student s1=new Student(); s1.name="凯文"; s1.yuwen=22; s1.shuxue=10; s1.tall(); s1.pingjun(); } }
面向对象本质：
