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

0 vote135 views1 answer
Create date java
Java
-2 votes153 views2 answers
What is hashset in java
Java
-3 votes161 views2 answers
Multiplication Table in java
Java
1 vote147 views1 answer
2 decimal places print format JAVA
Java
0 vote161 views1 answer
Gson to class
Java
0 vote135 views1 answer
Java oop design patterns
Java
0 vote149 views1 answer
App not showing in share menu android
Java
2 votes178 views2 answers
Transpose of a matrix java
Java
0 vote144 views3 answers
Java manajro
Java
1 vote106 views1 answer
Javaee .jsp get value of object with EL
Java