@@ -0,0 +1,479 @@
+package leetcode;%0A%0A/**%0A * https://leetcode.com/problems/surrounded-regions/%0A */%0Apublic class Problem130 %7B%0A    public void solve(char%5B%5D%5B%5D board) %7B%0A        // TODO%0A    %7D%0A%0A    public static void main(String%5B%5D args) %7B%0A        Problem130 prob = new Problem130();%0A        char%5B%5D%5B%5D board = new char%5B%5D%5B%5D%7B%0A            %7B'X', 'X', 'X', 'X'%7D,%0A            %7B'X', 'O', 'O', 'X'%7D,%0A            %7B'X', 'X', 'O', 'X'%7D,%0A            %7B'X', 'O', 'X', 'X'%7D,%0A        %7D;%0A        prob.solve(board);%0A    %7D%0A%7D%0A

Add a skeleton for problem 130