Write code to check if a string is Empty using multiple or || statements
//package com.book2s; public class Main { public static void main(String[] argv) { String str = "book2s.com"; System.out.println(isEmpty(str)); }/*w ww. java 2 s . co m*/ public static boolean isEmpty(String str) { boolean flag = false; if (null == str || "".equals(str) || "".equals(str.trim())|| "null".equalsIgnoreCase(str)) { flag = true; } return flag; } }