title: Create string with emoji unicode flag countries
body: <p>i need to create a String with a country flag unicode emoji..I did this:</p>
  
  <pre><code>StringBuffer sb = new StringBuffer();
  sb.append(StringEscapeUtils.unescapeJava("\\u1F1EB"));    
  sb.append(StringEscapeUtils.unescapeJava("\\u1F1F7"));
  </code></pre>
  
  <p>Expecting one country flag but i havent..How can i get a unicode country flag emoji in String with the unicodes characters?</p>