agiletelescope

import 'package:flutter/material.dart';

class QuestionsPage extends StatefulWidget {
  
  @override
  _QuestionsPageState createState() => _QuestionsPageState();
}

class _QuestionsPageState extends State<QuestionsPage> {
  // List of items

agiletelescope

class MySingleton {
  int resource = 5;
  
  // Singleton pattern
  static final MySingleton _singleton = new MySingleton._internal();

  factory MySingleton({int newResource}) {
    // Called everytime an object is created.
    // If an instance of the class already exists, then returns the existing reference,
    // else creates a new reference and returns it.