Retrieve all values from HashMap keys in an ArrayList Java

Question

Good day, this is kind of confusing me now(brain freeze!) and seem to be missing something. Have an ArrayList which i populate with a HashMap. now i put in my HashMap and arrayl

Answer 1

Try it this way...

I am considering the HashMap with key and value of type String, HashMap

HashMap hmap = new HashMap();

hmap.put("key1","Val1");
hmap.put("key2","Val2");

ArrayList arList = new ArrayList();

for(Map.Entry map : hmap.entrySet()){

     arList.add(map.getValue());

}