@@ -0,0 +1,269 @@
+public class ExcelSheetColumnNumber %7B%0A  public int titleToNumber(String s) %7B%0A    int length = s.length();%0A    int number = 0;%0A%0A    for (int i = 0; i %3C length; i++) %7B%0A      number += (s.charAt(i) - 'A' + 1) * Math.pow(26, length - i - 1);%0A    %7D%0A%0A    return number;%0A  %7D%0A%7D

Add excell sheet column number