Write code to replace All Empty space in a string
//package com.book2s; public class Main { public static void main(String[] argv) { String raw = "b oo k2s.com"; System.out.println(replaceAllEmpty(raw)); }// w w w. j a v a 2 s . c o m public static String replaceAllEmpty(String raw) { if (isEmpty(raw)) { return raw; } raw = raw.trim(); String[] empties = new String[] { " ", "\r", "\n" }; for (String string : empties) { raw = raw.replaceAll(string, ""); } return raw; } public static boolean isEmpty(String raw) { if (null == raw || raw.trim().length() == 0 || "null".equals(raw.trim())) { return true; } return false; } }