Java tutorial
//package com.java2s; //License from project: Apache License public class Main { public static String htmlEscapeCharsToString(String html) { if (isEmpty(html)) { return html; } else { return html.replaceAll("<", "<").replaceAll(">", ">").replaceAll("&", "&") .replaceAll(""", "\""); } } public static boolean isEmpty(final CharSequence cs) { return cs == null || cs.length() == 0; } }