Write code to Remove trailing whitespace from the given string.
/* * Copyright (c) 2001-2002, Marco Hunsicker. All rights reserved. * * This software is distributable under the BSD license. See the terms of the * BSD license in the documentation provided with this software. *//*from w w w . j a v a2s . c o m*/ //package com.book2s; public class Main { public static void main(String[] argv) { String str = "book2s.com"; System.out.println(trimTrailing(str)); } /** * Removes trailing whitespace from the given string. * * @param str the string to trim. * * @return a copy of the string with trailing whitespace removed, or the original * string if no trailing whitespace could be removed. */ public static String trimTrailing(String str) { int index = str.length(); while ((index > 0) && Character.isWhitespace(str.charAt(index - 1))) { index--; } if (index != str.length()) { return str.substring(0, index); } return str; } }