Write code to check if a string contains Non Whitespace Characters
//package com.book2s; public class Main { public static void main(String[] argv) { String str = "book2s.com"; System.out.println(containsNonWhitespaceCharacters(str)); }//from w ww . ja va 2 s . c om public static boolean containsNonWhitespaceCharacters(String str) { if (str == null) { return false; } for (int i = 0; i < str.length(); i++) { if (!Character.isWhitespace(str.charAt(i))) { return true; } } return false; } }