@@ -0,0 +1,138 @@
+package com.matao;%0A%0Apublic class Main %7B%0A%0A    public static void main(String%5B%5D args) %7B%0A        System.out.println(%22Hello World!%22);%0A    %7D%0A%7D%0A

revise LeetCodeJava structure