Write code to Returns the substring after the last dot ('.').
//package com.book2s; public class Main { public static void main(String[] argv) { String string = "book2s.com"; System.out.println(substringAfterLastDot(string)); }/*from w w w . ja v a 2 s .c o m*/ /** * Returns the substring after the last dot ('.'). * "bar" = substringAfterLastDot("my.foo.bar"); * * @param string * @return The substring after the last dot. */ public static String substringAfterLastDot(String string) { return getSubstringAfter(string, '.'); } public static String getSubstringAfter(String s, char c) { return s.substring(s.lastIndexOf(c) + 1).trim(); } }