Write code to Clean the generated alias by removing any non-alpha characters from the beginning.
//package com.book2s; public class Main { public static void main(String[] argv) { String alias = "12312book2s.com"; System.out.println(cleanAlias(alias)); }/*from w ww. j a v a 2 s .co m*/ /** * Clean the generated alias by removing any non-alpha characters from the * beginning. * * @param alias The generated alias to be cleaned. * @return The cleaned alias, stripped of any leading non-alpha characters. */ private static String cleanAlias(String alias) { char[] chars = alias.toCharArray(); if (!Character.isLetter(chars[0])) { for (int i = 1; i < chars.length; i++) { if (Character.isLetter(chars[i])) { return alias.substring(i); } } } return alias; } }