Json array to List in java

Jsonarray to list java

JSONArray data = new JSONArray(); //create data from this -> [{"thumb_url":"tb-1370913834.jpg","event_id":...}]

List<JSONObject> list = data.stream().map(o -> (JSONObject) o).collect(Collectors.toList());

Source: stackoverflow.com

Json array to List in java

List<Employee> list = mapper.readValue(jsonString,
TypeFactory.defaultInstance().constructCollectionType(List.class,  
   Employee.class));

Source: stackoverflow.com

How to convert a list of json to list of array

dataArray = [{"Value":10,"ValuePourcent":2},{"Value":20,"ValuePourcent":3},{"Value":51,"ValuePourcent":1}]

newFormat = dataArray.map(function(e){
                  return [e["Value"], e["ValuePourcent"]]
                  });

Convert json to arraylist java

// Top of file
import java.lang.reflect.Type;

// ...

private void parseJSON() {
    Gson gson = new Gson();
    Type type = new TypeToken<List<ContactModel>>(){}.getType();
    List<ContactModel> contactList = gson.fromJson(jsonString, type);
    for (ContactModel contact : contactList){
        Log.i("Contact Details", contact.id + "-" + contact.name + "-" + contact.email);
    }
}

-1

Source: stackoverflow.com

Similar codes

1 vote181 views1 answer
InetAddress.getByAddress example
Java
1 vote170 views1 answer
How to register event spiot
Java
0 vote176 views1 answer
Condensed for loop java
Java
0 vote179 views1 answer
.jar window immediately closes on doubleclick
Java
0 vote203 views1 answer
Pattern exercises for java
Java
0 vote185 views1 answer
How to convert string hashcode to color in java android
Java
3 votes167 views2 answers
Arraylist of arraylist
Java
6 votes180 views1 answer
Java create a set with values
Java
6 votes201 views2 answers
How to run a java file in terminal
Java
0 vote172 views1 answer
Deserialize date java
Java