brendoncheung

import 'package:flutter/material.dart';
import 'package:foodrop/core/models/item.dart';

class ItemWidget extends StatelessWidget {
  final Item item;
  final Function(Item) onTap;

  ItemWidget({@required this.item, this.onTap});

  @override

brendoncheung

import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'list_extension.dart';
import 'package:flutter_staggered_grid_view/flutter_staggered_grid_view.dart';

void main() {
  runApp(MyApp());
  debugPaintSizeEnabled = false;
}

brendoncheung

@override
  Widget build(BuildContext context) {
    return GestureDetector(
      onTap: () {
        onTap(item);
      },
      child: SizedBox(
        height: 500,
        child: Card(
          color: Colors.grey[800],

brendoncheung

import 'dart:async';
import 'dart:collection';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

void main() {
  runApp(MyApp());
}

brendoncheung

class Client {
	
	private ServiceA a;
	private ServiceB b;
  
  // Property injection
	public ServiceC c;
	
  // Constructor injection
	public Client(ServiceA a, ServiceB b) {

brendoncheung

        synchronized (this) {
            if (mNumberOfTickets >= amount) {

                mNumberOfTickets = mNumberOfTickets - amount;

            } else {
                // Tickets all sold!
            }
        }

brendoncheung

public class Main {

    public static void main(String[] args) throws Exception {

        final TicketManager tm = new TicketManager();

        Thread t1 = new Thread(new Runnable() {

            public void run() {

brendoncheung

class TicketManager {

    private int mNumberOfTickets = 100;

    void purchaseTickets(int amount) {

        someTimeIntensiveTask();

        if (mNumberOfTickets >= amount) {

brendoncheung

class TicketManager {

    private int mNumberOfTickets = 100;

    synchronized void purchaseTickets(int amount) {

        if (mNumberOfTickets >= amount) {

            makingNetworkConnectionToServer();

brendoncheung

public class Main {

    public static void main(String[] args) throws Exception {

        final TicketManager tm = new TicketManager();
        Thread t1 = new Thread(new Runnable() {

            public void run() {
                tm.purchaseTickets(90);
            }