Freemarker and hashmap. How do I get key-value

Question

I have a hash map as below

HashMap map = new HashMap();
map.put(\"one\", \"1\");
map.put(\"two\", \"2\");
map.put         


        

Answer 1

Code:

HashMap test1 = new HashMap();
Map root = new HashMap();
test1.put("one", "1");
test1.put("two", "2");
test1.put("three", "3");
root.put("hello", test1);


Configuration cfg = new Configuration(); // Create configuration
Template template = cfg.getTemplate("test.ftl"); // Filename of your template

StringWriter sw = new StringWriter(); // So you can use the output as String
template.process(root, sw); // process the template to output

System.out.println(sw); // eg. output your result

Template:

<#list hello?keys as key> 
    ${key} = ${hello[key]} 
 

Output:

    two = 2 
    one = 1 
    three = 3