Nested HashMap with Array, JAVA

Question

I have the following hashMap:

{"success":true, "message":"Profile retrieved successfully", "data":{ "address":[{ "objectId":"6ItcdQGBFu", "street":"6782 NW 102nd St", "aptSuite":"782", "state":"FL", "zipCode":"33762", "city":"Brickell", "type":"Home"},{ "objectId":"yyRA9M2gk1", "street":"7828 NW Boston Rb", "state":"Massachusetts", "zipCode":"33178", "city":"Boston", "type":"Office"} ] } }

If I want to access the "message", I would write the following code:

 object.get("message");

Or if I wanna print it:

 object.get("message").toString();

I would like to know how can I iterate and access through the "address" objects.

We have no idea, because we don't know the type of the object at the key "data". — JB Nizet
– JB Nizet, Commented Jan 6, 2017 at 21:11
I think you should use JSON parsers for this kind of object, that I will help you on this, please check Jackson lib — Ahmad Al-Kurdi
– Ahmad Al-Kurdi, Commented Jan 6, 2017 at 21:59

Aaron_H · Accepted Answer · 2017-01-06 21:24:04Z

Assuming this is a bunch of nested HashMaps (and "address" points to a list with one item, according to your example), you could access a value in the message through

object.get("data").get("address").get(0).get("street")

and you could iterate through all the fields by

HashMap<String, String> addressObj = object.get("data").get("address").get(0); for (Map.Entry<String, String> entry : addressObj.keySet()) { String key = entrey.getKey(); String value = entry.getValue(); // your code here }

sounds reasonable, if that's the case, the variable "object" should be declared like this? Map<String, Map<String, Map<String, ArrayList>>> object

Collectives™ on Stack Overflow

Nested HashMap with Array, JAVA

1 Answer 1

1 Comment

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

1 Comment

Related