Write code to return default If string Empty
//package com.book2s; public class Main { public static void main(String[] argv) { String str = "book2s.com"; System.out.println(defaultIfEmpty(str)); }// www.j a v a 2 s . c o m public static final String EMPTY_STRING = ""; public static String defaultIfEmpty(String str) { return (str == null) ? EMPTY_STRING : str; } public static String defaultIfEmpty(String str, String defaultStr) { return ((str == null) || (str.length() == 0)) ? defaultStr : str; } }