Freemarker iterating over hashmap keys

Question

Freemarker has two collection datatypes, lists and hashmaps Is there a way to iterate over hashmap keys just as we do with lists?

So if I have a var with data lets s

Answer 1

Iterating Objects

If your map keys is an object and not an string, you can iterate it using Freemarker.

1) Convert the map into a list in the controller:

List> convertedMap  = new ArrayList(originalMap.entrySet());

2) Iterate the map in the Freemarker template, accessing to the object in the Key and the Object in the Value:

<#list convertedMap as item>
    <#assign myObjectKey = item.getKey()/>
    <#assign myObjectValue = item.getValue()/>
    [...]