main.dart

import 'dart:convert';

void main() {
  var jsonData = '{ "id": 1, "name": "Pena", "skills": ["C", "Java", "Kobol"] }';
  User user = User.fromJson(jsonDecode(jsonData));
}

class User {
  User(this.id, this.name, this.skills);
  
  User.fromJson(Map<String, dynamic> json)
    : id = json['id'],
      name = json['name'],
      skills = List<String>.from(json['skills']);
  
  final int id;
  final String name;
  final List<String> skills;
}