title: How to iterate a hash map in response of ajax call where that map holds 3 lists
body: <p>here is my hash map and the ajax call</p>
  
  <pre><code>   Map&lt;String, List&lt;?&gt;&gt; map=new HashMap&lt;&gt;();
  
      List&lt;?&gt; minimumParameters=new ArrayList&lt;&gt;();
  
      map.put("min", minimumParameters);
      map.put("max", maximumParameters);
    //this is where i am calling that url and getting response
    //now how to iterate that response
     $.ajax({
          url:'./getMinMaxAvgDataByMtrNo/'+meterNum+'/'+frmDate+'/'+tDate,
          type:'GET',
          success:function(response){
              if(response.length == 0 || response.length == null ){
                  bootbox.alert("No data for this meter number "+meterNum);
              }
              else{
                  alert(response);
              }
          }
      });
  </code></pre>
  
  <p>now how to iterate that response to get those lists                                                                           </p>