package com.mooc;

public class lj {

?static int score1 = 86;
??? // 定義靜態變量score2
?????????? int score2 = 92;
??? //內部類
?public class sum {
?????
??int a;
??sum(){
???a=99;
??};
??//內部類的內部類
??public class sum1{
???int a1;
???sum1(){
????a1=100;
???};
???public void s1() {
????//調用最外部類
????lj h = new lj();
???
????System.out.println(h.score2);
???}
???
??}
?????
?};

?public static void main(String[] args) {
???????
??????? // 調用靜態方法sum并接收返回值
??lj h1 = new lj();
??sum h2 = h1.new sum();
??sum.sum1 h3 = h2.new sum1();? //重點? 這樣
??h3.s1();
?}
}