How many lexemes does the following Java code contain? public class CountDigits { public static void main(String[] args) { SimpleIo.prompt ("Enter an integer: "): String userInput = simpleIO.readLine(): int number = Integer.parseInt (user1nput): int numDigits = 0: while (number > 0) { number/= 10: numDigits++: } System.out.println("The number " + userInput + " has numDigits + "digits"): } }