Java - Write code to unquote Html Special Chars

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Requirements

Write code to unquote Html Special Chars

Demo

//package com.book2s;

public class Main {
    public static void main(String[] argv) {
        String html = "boo<>k2s.com";
        System.out.println(unquoteHtmlSpecialChars(html));
    }/*from ww w.j  a v a 2  s .c  o  m*/

    public static String unquoteHtmlSpecialChars(String html) {
        if (html == null)
            return null;
        String[] specialChars = { "&", "\"", "'", "<", ">", " " };
        String[] quoteChars = { "&amp;", "&quot;", "&apos;", "&lt;",
                "&gt;", "&nbsp;" };
        for (int i = 0; i < specialChars.length; i++) {
            html = html.replace(quoteChars[i], specialChars[i]);
        }
        return html;
    }
}