title: How to iterate HashMap(Arraylist) in jrxml?
body: <p>I am trying to iterate the values of the <code>HashMap</code> passed as parameters to jrxml, in the <code>HashMap</code> the values are passed as <code>List</code>. </p>
  
  <p>Example  </p>
  
  <pre><code>List&lt;String&gt; severity = // some values;
  List&lt;String&gt; messages = // some values;
  
  LinkedHashMap parameters = new LinkedHashMap();
  parameters.put("severity", severity);
  parameters.put("messages", messages);
  
  jPrint = JasperFillManager.fillReport(jasperreport,parameters,new JREmptyDataSource());     
  JasperExportManager.exportReportToPdfStream(jPrint,baos);  
  </code></pre>
  
  <p>How can I iterate these <code>List</code> inside jasper report the jrxml?             </p>