Question

We found that the performance of the current web page is very poor as we are generating the HTML based on the data coming from the server. We are currently iterating the MAP of type

MAP<Integer, Map<String, Object>> using <C:FOREACH> and generating the HTML content.

My question is what is the better way of iterating the Map in java class or in JSP. Is there any annotations based tags available to iterate a Map?.

Thanks

Answer 1

The fastest and best way to iterate a map is:

Map<Integer, Map<String, Object>> map;

for (Map.Entry<Integer, Map<String, Object>> entry : map.entrySet()) {
    Integer key = entry.getKey();
    Map<String, Object> value = entry.getValue();
    ...
}