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