solves excel sheet column number

Author: anishLearnsToCode

src/ExcelSheetColumnNumber.java

@@ -0,0 +1,9 @@
+public class ExcelSheetColumnNumber {
+    public static int titleToNumber(String column) {
+        int result = 0;
+        for (int index = column.length() - 1, factor = 1 ; index >= 0 ; index--, factor *= 26) {
+            result += factor * (column.charAt(index) - 'A' + 1);
+        }
+        return result;
+    }
+}