Java tutorial
//package com.java2s; //License from project: Apache License import java.util.HashMap; import java.util.Map; public class Main { private static final Map<Character, String> HTML_ESCAPE_CHARACTERS = new HashMap<Character, String>(); public static String escape(String str) { StringBuilder result = new StringBuilder(); for (int i = 0; i < str.length(); i++) { char c = str.charAt(i); String escaped = HTML_ESCAPE_CHARACTERS.get(c); if (escaped == null) { result.append(c); } else { result.append(escaped); } } return result.toString(); } }