### Question:
Html { public static String escapeHtml(String html) { return HtmlUtils.htmlEscape(html); }  static String escapeHtml(String html); static String unEscapeHtml(String html); static String lineBreaksToBrTags(String string); static String brTagsToLineBreaks(String string);  }### Answer:
@Test public void escapeHtmlLt() throws Exception { assertEquals("&lt;", Html.escapeHtml("<")); }
@Test public void escapeHtmlGt() throws Exception { assertEquals("&gt;", Html.escapeHtml(">")); }