Deserializing Json Object in java [duplicate]

Question

I cannot figure it out, I should deserialize a json object of this type:

{
    "value":"integer",
    "total":"1",
    "records":"138",
    "rows":[
    {
        "value1":6,
        "value2":true,
        "bool":true,
        "floatNumber":"140.41",
        "floatNumber2":"28.7",
        "floatNumber3":"140.41",
        "cssClassName":"",
        "date":"19/03/2022",
        "UTCdate":"2016-03-22T00:00:00+0000",
        "UTCdate2":"2016-03-24T20:45:25+0000"
    },
    {
        "value1":6,
        "value2":true,
        "bool":true,
        "floatNumber":"140.41",
        "floatNumber2":"28.7",
        "floatNumber3":"140.41",
        "cssClassName":"",
        "date":"19/03/2022",
        "UTCdate":"2016-03-22T00:00:00+0000",
        "UTCdate2":"2016-03-24T20:45:25+0000"
    }]
}

but I do not know how to do. I wish that this item was added to my class, pointing to what value to assign the corresponding property.

I tried to use Flexjson library but didn't saw any function that will let me what i want to do.

Where to start?

PS: I never serialized an object to JSON, so I do not know how it works.

Have you tried with Google GSON?

Sunil Dabburi
– Sunil Dabburi

2016-05-25 12:46:33 +00:00
Commented May 25, 2016 at 12:46 — Sunil Dabburi
– Sunil Dabburi, Commented May 25, 2016 at 12:46

SkyWalker · Accepted Answer · 2016-05-25 12:44:55Z

5

You can go through this tutorial. Hope it will help you.

answered May 25, 2016 at 12:44

SkyWalker

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2 Comments

exSnake Over a year ago

I did that, and finally came to the solution. thanks! This video too helped me alot: youtube.com/watch?v=PARyHhklbgc

theRiley Over a year ago

first link has been updated: mkyong.com/java/jackson-2-convert-java-object-to-from-json

Community · Accepted Answer · 2017-05-23 12:31:35Z

3

That's json. You need to parse it using api.

For example

{'profiles': [{'name':'john', 'age': 44}, {'name':'Alex','age':11}]}

you will have to do something of this effect:

 JSONObject myjson = new JSONObject(the_json);
 JSONArray the_json_array = myjson.getJSONArray("profiles");

this returns the array object.

Then iterating will be as follows:

int size = the_json_array.length();
ArrayList<JSONObject> arrays = new ArrayList<JSONObject>();
for (int i = 0; i < size; i++) {
    JSONObject another_json_object = the_json_array.getJSONObject(i);
        //Blah blah blah...
        arrays.add(another_json_object);
}

//Finally
JSONObject[] jsons = new JSONObject[arrays.size()];
 arrays.toArray(jsons);

Example code is taken from How to parse a JSON and turn its values into an Array?

edited May 23, 2017 at 12:31

CommunityBot

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answered May 25, 2016 at 12:44

Danyal Sandeelo

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Comments

Azamantes · Accepted Answer · 2016-05-25 12:41:31Z

-3

Java or Javascript? You do know that these are 2 completely different languages?

In Javascript you do it like this:

// object to string:
JSON.stringify(object);

// string to object
JSON.parse(object);

answered May 25, 2016 at 12:41

Azamantes

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1 Comment

exSnake Over a year ago

It's a json created by javascript, but i need to deserialize it using java

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