？java类的继承2

import java.util.SplittableRandom;

/**
 * Created by xabcd on 2019/2/15.
 */
public class java_jicheng
{


    public class jicheng {
        String name;
        int age;
    }
    class Student2 extends jicheng{
        String school;
    }



    public static void main(String[] srgs)
    {
        Student2 s = new Student2();//无法从静态上下文引用非静态变量
        s.name = "张三";
        s.age = 25;
        s.school = "北京";
        System.out.println("姓名"+s.name+"，年龄："+s.age+"，学校："+s.school);
    }
}