title: The method add(String) is undefined for the type String (JSONObject 2nd Array)
body: <p>After reciving the Data from the PHP-File with a MySQL-query, I want to fill two Array with the data.
  The first Array works:</p>
  
  <pre><code>results.add((String) json_data.get("product") + "\n" + json_data.get("owner"));
  </code></pre>
  
  <p>But when I add the second Array:</p>
  
  <pre><code>mysql_id.add((String) json_data.get("id")); 
  </code></pre>
  
  <p>Eclipse displays a Error:</p>
  
  <blockquote>
    <p>The method add(String) is undefined for the type String</p>
  </blockquote>
  
  <p>There a no suggestions available and I dont know the Problem.
  I have "mysql_id" everywhere declard as "results" but it doesnt work!</p>
  
  <p>Thanks for Help!</p>