@@ -0,0 +1,542 @@
+/***%0A * Related to question Excel Sheet Column Title%0A *%0A * Given a column title as appear in an Excel sheet, return its corresponding column number.%0A *%0A * For example:%0A *%0A *     A -%3E 1%0A *     B -%3E 2%0A *     C -%3E 3%0A *       ...%0A *     Z -%3E 26%0A *     AA -%3E 27%0A *     AB -%3E 28 %0A */%0Apublic class Solution %7B%0A    public int titleToNumber(String s) %7B%0A        if (s.length() == 0)%0A            return 0;%0A        int ret = 0;%0A        for (int i = 0; i %3C s.length(); i++)%0A            ret = ret * 26 + (s.charAt(i) - 'A' + 1);%0A        return ret;%0A    %7D%0A%7D%0A

add ExcelSheetColumnNumber.java