--- /dev/null
+
+public class NotDigitException extends Exception {
+
+ public NotDigitException() {
+ super();
+ // TODO Auto-generated constructor stub
+ }
+
+ public NotDigitException(String message) {
+ super(message);
+ // TODO Auto-generated constructor stub
+ }
+
+ public NotDigitException(Throwable cause) {
+ super(cause);
+ // TODO Auto-generated constructor stub
+ }
+
+ public NotDigitException(String message, Throwable cause) {
+ super(message, cause);
+ // TODO Auto-generated constructor stub
+ }
+
+}