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

4 votes210 views3 answers
Javafx button color
Java
0 vote217 views1 answer
How to validate information against the database in java
Java
0 vote275 views1 answer
Combinations in java
Java
1 vote204 views1 answer
Java date with T
Java
-1 vote196 views1 answer
Quit button java swing
Java
-2 votes296 views1 answer
Android httpurlconnection
Java
0 vote183 views2 answers
Java print 2d array row and column
Java
2 votes238 views1 answer
Naming conventions methods java
Java
0 vote202 views1 answer
Java while loop q to quit
Java
3 votes198 views1 answer
Java enum get nex
Java