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A Journey to the World of Android Wearable

by ridoy

A brief explanation of application development for Android Wear, helpful for every beginner and intermediate android developer.

Never Buy A Garage Door Remote Again: Open Your Door With Your Android Phone (via Bluetooth)

by raddevus

Steps for building a device you can add to your existing garage door, which implements an atmega328, bluetooth (hc-05) and relay module which will allow you to open your garage door from any paired Android device.

Android Programming By An Example: Creating An Airport Schedule Simulator Application

by Arthur V. Ratz

In this article, we will discuss about the advanced Android application development based on the example of creating a responsive Airport schedule simulator application.

Still Don’t Get the Difference of “Overloading and Overriding”?

by Afzaal Ahmad Zeeshan

This post attempts to describe the general difference between overloading and overriding in Object-oriented programming languages.

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Java Code Change Impact Analysis - Introduction to JCCI

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Wrapping Java with C++ Objects - JNI OOP

by Yochai Timmer

A way to avoid JNI's reflection oriented programming. Wrapping Java with C++

Windows / Android (C#/Java) Compatible Data Encryption with Compression

by JudyL_MD

Code sample for passing encrypted compressed data between Windows and Android

An In-Depth Tutorial on Lucene and Java

by Han Bo Sun

This is a more in-depth tutorial on integrating Lucene search and index engine in Java applications.

All Articles

Java

Still Don’t Get the Difference of “Overloading and Overriding”?

4 Sep 2015 by Afzaal Ahmad Zeeshan

This post attempts to describe the general difference between overloading and overriding in Object-oriented programming languages.

.NET DateTime, A Tale About Best Practices and Time Travel

26 Oct 2020 by Matteo Prosperi

In this article, we investigate how DateTime issues are avoided.

Displaying Bitmaps Efficiently on Android Apps

24 Aug 2016 by Isaac RF

To create visually engaging apps, displaying images is a must. Learn to display Bitmaps Efficiently on your Android apps, without giving away performance. The post Displaying Bitmaps Efficiently on Android apps appeared first on Isaac RF.

"Secret" Productivity Tips for Visual Studio 2017

7 Apr 2017 by Rion Williams

Here are some "secret" productivity tips for Visual Studio 2017

How do JavaScript Arrays Work Under the Hood?

3 Jan 2019 by Ryan Peden

How JavaScript arrays work under the hood

Android Lists: ListActivity and ListView II – Custom Adapter and List Item View

19 Apr 2011 by Austin Rasmussen

Continued from: Android Lists: ListActivity and ListView I.

Touch handling in Android

18 Oct 2012 by Serge Desmedt

Touch handling in Android.

SQL Server Tips: A Developer's Guide

28 Jun 2013 by Zac Gery

In the world of enterprise development, interacting with a database can become a daily occurrence.

Android Networking Example and Tutorial (with easy retries)

19 Feb 2015 by Right Handed Monkey

This post explains how to use the WorxForUs Network framework to have an Android app that works robustly even in areas that have poor network connectivity.

How to Create Android Notepad App – Part 2

7 Oct 2015 by Val Okafor

This post is a step by step tutorial on how to add data persistence to the Android Notepad app we create in the last post. You are highly encouraged to read the last posts to get the most out of this tutorial especially if you are new to Android development.

Tools for Programming Java (Part 1) – Java IDE (Integrated Development Programming) Software Tools

12 Feb 2016 by arjunaraneta

Tools for Programming Java (Part 1) – Java IDE (Integrated Development Programming) Software Tools

Dependency Inversion in Java

7 Apr 2016 by Grzegorz @ tidyjava.com

Beginner guide to using the power of Dependency Inversion with examples in Java. Covers dependency injection, using abstractions and adapter pattern.

Smack, XMPP, and GTalk

2 Jun 2011 by AshwinRayaprolu

Includes sample code that can connect to the GoogleTalk server and get a list of all your friends

Unity and C# : Performance Optimisation tips

4 Aug 2014 by Vidyasagar Machupalli

“Premature optimization is the root of all evil.” ― Donald Ervin Knuth, Art of Computer Programming, Volume 1: Fundamental Algorithms Optimization is a term which is familiar to any developer.

Find the First Spaghetti

11 Feb 2015 by mrcellux

Find the first spaghetti

Java: A Memory Leak Caused by Dynamic Creation of log4j Loggers

17 Mar 2015 by Ivan Korhner

Java: A Memory Leak Caused by Dynamic Creation of log4j Loggers

Ten Tips for Building Your First Android App

15 May 2015 by Val Okafor

You are ready to build your first Android app, well good luck and welcome aboard an exciting journey. My first Android app took me a year to build because of the complexities of porting a legacy desktop application to mobile app and dealing with constantly changing business requirements.

Living Documentation

14 Apr 2016 by Grzegorz @ tidyjava.com

Tidy guide on how to create a Living Documentation in your (not only) Java projects.

Tidy Spring - Starting a Project

25 Apr 2016 by Grzegorz @ tidyjava.com

List of practices to work effectively on Spring applications. This part focuses on starting a new Spring project.

WatBot: An Android ChatBot powered by IBM Watson

30 Nov 2016 by Vidyasagar Machupalli

WatBot: An Android ChatBot powered by IBM Watson

How to Create JBoss ejb3 Session Bean Standalone Client

16 Sep 2009 by Mohamed M. Shaheen

JBoss ejb3 session bean standalone client

A .NET Developer’s Journey into Java

21 Jul 2011 by David Truxall

A .NET developer's journey into Java

Let Android support multiple programming languages

13 Apr 2012 by li9705

Can we write programs in Android with other languages? The answer is yes.

Few Words about ConcurrentHashMap

21 Dec 2017 by rtybase

An use case for ConcurrentHashMap

Code Review Guidelines – Part 2

29 Jan 2013 by ludovicianul

The most used tools for Java projects.

Template Method Design Pattern in Java

25 Mar 2013 by Arpit Mandliya

Template method design pattern in Java.

Grails – RESTful Webservice using JAX-RS plugin

4 Jul 2013 by TechMyTalk

How to build RESTful web services using the Grails framework.

Collectors Part 1 – Reductions and Short-Circuiting Operations‏

14 Aug 2014 by TheCannyCoder

Reductions and Short-Circuiting Operations

Parallel Streams and Spliterators

31 Aug 2014 by TheCannyCoder

Parallel Streams and Spliterators

Processing Java Annotations Using Reflection

17 Sep 2014 by Keyhole Software

How to process Java annotations using Reflection

Get List of Folders in Java

1 Feb 2015 by Gjermund Bjaanes

Get list of folders in Java

Java: How to Detect Java Deadlocks Programmatically

9 Feb 2015 by Ivan Korhner

How to detect Java deadlocks programmatically

Reasons to Use Interfaces over Extension when Testing

1 Aug 2015 by Seb Carss

Reasons to use interfaces over extension when testing

Android Drawing App Tutorial – Pt. 2

4 Nov 2015 by Val Okafor

This blog post is part two of my Android Drawing App tutorials. It is strongly encouraged that you finish part one of this tutorial before proceeding with this one.

Learn Android Dependency Injection with Dagger 2

20 Apr 2016 by Val Okafor

Learn Android Dependency injection with Dagger 2

Tidy Spring - Configuration Properties

28 Apr 2016 by Grzegorz @ tidyjava.com

List of practices to work effectively on Spring applications. This part focuses on effective handling of configuration properties.

Firebase Android Tutorial Part 1 – Getting Started

17 Jul 2016 by Andy Point

Firebase Android Tutorial : Adding Registration and Login Hello Developers, this is our android firebase tutorial. In this tutorial we will create an android firebase app that will use firebase android login functionality. This post will help you get you up and running with integrating Firebase to a

Android Download Manager Tutorial: How to Download Files using Download Manager from Internet

17 Jul 2016 by Andy Point

Android Download Manager Tutorial: How to download files using Download Manager from the Internet

How to Center Text In Libgdx

25 Sep 2017 by IAmJoshChang

How to center text in Libgdx

Android - Programmatically Register System Broadcast Receiver at Runtime

9 Oct 2017 by Right Handed Monkey

How to programmatically register system broadcast receiver at runtime in Android

Madcap Idea 12: Getting the ‘Create Job’ to Work End–End

24 Oct 2017 by Sacha Barber

How to get the 'create job' to work end-end

Spring Boot 2 Rest Security – Basic Authentication

25 Mar 2019 by James A. Brannan

In this tutorial, we secure a simple Rest API. We begin with a simple example, progress to using a custom UserDetailsService, and finish by adding method level security.

Rest Using Spring Boot, Http Post

25 Mar 2019 by James A. Brannan

In this tutorial, we create a simple Rest application using POST.

Java Streams – A Simple MapReduce Example

26 Mar 2019 by James A. Brannan

How to convert a List of Strings to a List of Integers using the MapReduce programming paradigm

A Complete Tutorial to Connect Android with ASP.NET Core Web API

21 Jul 2021 by Aram Tchekrekjian

In this tutorial, we will learn how to connect Android with ASP.NET Core Web API.

How to Convert an Instant to LocalDateTime or LocalDate or LocalTime in Java

8 Feb 2023 by Divya Ulasala

Convert Instant to LocalDateTime/LocalDate/LocalTime

Difference between Random, SecureRandom and ThreadLocalRandom

12 Feb 2023 by Divya Ulasala

Examining the differences between java.util.Random, java.security.SecureRandom, and java.util.concurrent.ThreadLocalRandom to generate random numbers

Enable Syntax Highlighting in Nano for Java Server Pages (JSP)

31 Oct 2023 by ToughDev

Create custom nanorc file for JSP in nano to enhance syntax highlighting and readability, along with basic autocomplete

J2EE - NetBeans, JSF, Persistence API - Part 3

1 Apr 2013 by hoonzis

How to extend the detail page of a company by adding a list of products of the company and a drop down list box, which will allow a user to add a new product to the list of the products of the company.

CORBA - Manipulating Naming Service

19 May 2012 by hoonzis

This is a short post describing how to implement a simple tool to manage CORBA Naming Service.

Apache Commons EqualsBuilder and HashCodeBuilder

6 Jan 2011 by Bikash Shaw

Apache Commons EqualsBuilder and HashCodeBuilder

PDF Generation Using Templates and OpenOffice and Itext in Java

8 Jun 2011 by AshwinRayaprolu

PDF Generation Using Templates and OpenOffice and Itext in Java

Web Services in Ruby, Python and Java

10 Aug 2011 by Marek Piechut

Web Services in Ruby, Python and Java

J2EE JDBC Based Authentication With JPA Entities in Glassfish

10 Aug 2011 by Marek Piechut

How to do J2EE JDBC based authentication with JPA Entities in Glassfish

Java 7 listen for file/directory change

10 Aug 2011 by Marek Piechut

WatchService allows us to listen to changes in a directory without any pooling.

SQL SERVER – Tips from the SQL Joes 2 Pros Development Series – Easy Introduction to CHECK Options – Day 24 of 35

24 Aug 2011 by pinaldave

SQL SERVER – Tips from the SQL Joes 2 Pros Development Series

Multi-Language Programming : Entity Object Inheritance And Function Overloading_3

17 Oct 2011 by li9705

Multi-Language Programming : Entity Object Inheritance and Function Overloading

Accessing Java Classes from Mono for Android via JNI

16 Apr 2012 by Sebastian Krysmanski

This article will show some basic examples of how to call a method of a Java class from Mono for Android.

Getting Started With ForkJoinPool - Map & Reduce of Java

25 May 2012 by TheDhruv

How to get started with ForkJoinPool - Map and Reduce of Java

Liskov substitution principle (LSP)

23 Jul 2012 by loki2302

Liskov substitution principle (LSP)

Component-Based Java Frameworks

23 Aug 2012 by Keyhole Software

Component based Java frameworks.

Introducing Spring Batch: Part One

23 Aug 2012 by Keyhole Software

This is part 1 of how to get started with Spring Batch

Drawing in Android

29 Nov 2012 by Serge Desmedt

2D Drawing in Android

How to build a language binding for a web API

13 Sep 2013 by Pragmateek

This article describes the general principles, without diving too deeply into technical details that would be specific to a given platform.

Java Stored Procedures

5 Nov 2013 by Sam Varadarajan

Java stored procedures

Get Detail IP Address Information of any JAVA Client

11 May 2014 by Debopam Pal

How to get detailed IP address information of any Java client

Generators with Java 8

6 Jul 2014 by TheCannyCoder

Today we'll look at creating generators. In simple terms, a generator is a function which returns the next value in a sequence. Unlike an iterator, it generates the next value when needed, rather than returning the next item of a pre-generated collection. Some languages such as Python support

Finite Sequence Generators in Java 8

12 Jul 2014 by TheCannyCoder

Finite sequence generators in Java 8

Finite Sequence Generators in Java 8 – Part 2

18 Jul 2014 by TheCannyCoder

Finite Sequence Generators in Java 8 – Part 2

Creating Your Own Java Annotations

21 Jul 2014 by Keyhole Software

How to create your own Java annotations

My Move From ColdFusion to Java Development

22 Jul 2014 by Keyhole Software

My move from ColdFusion to Java development

The Journey from Java EE to SPA

25 Jul 2014 by Keyhole Software

The journey from Java EE to SPA

Optional: Java 8’s way to deal with null

4 Aug 2014 by TheCannyCoder

For those who have been programming Java or C/C++ for any period of time will know one of the most annoying things is trying to debug a crash due accessing a null object.

Breaking Dependencies to Test Code in Java: Irritating Parameter

18 Aug 2014 by Seb Carss

How to break dependencies to test code in Java: Irritating Parameter

Java and the Sweet Science

13 Oct 2014 by Keyhole Software

Java and the sweet science

Java SE 8 new features tour: Traversing, filtering, processing collection, & methods enhancements with Lambda

29 Nov 2014 by Mohamed Taman

Cleaner, readable, and powerful coding with lambda expressions.....In this article of the “Java SE 8 new features tour” series, we will deep dig into explanation, and exploring the code, on how to traverse the collections using lambda expression and with method references, filtering them with p

Duck Typing in Java

20 Jan 2015 by mrcellux

Duck typing in Java

Java: Java Multithreading Made Easy - Expensive Object Pool

25 Jan 2015 by Ivan Korhner

Java: Java Multithreading Made Easy - Expensive Object Pool

Give your tests mutant powers with PIT [Part 1]

25 Jun 2015 by Bobby Lough

Mutation Testing is amazing. Start doing it with PIT to test your tests. The cost of poor quality is too great to ignore.

An Efficient Way to Make Button Color Change on Android

5 Jul 2015 by Andrey Moskvichev

This is an efficient way to make button color change on Android

How to Implement Android In App Purchases

13 Jul 2015 by Val Okafor

In app purchase is one of the main monetization options for Android apps. Android in app purchase combines what used to be the “free” version and “paid” version together.

Better Java Hot Code Replace At No Cost

21 Jul 2015 by Member 11794279

Better Java Hot Code Replace at no cost

Top Android App Review Sites

4 Aug 2015 by Val Okafor

Top Android App Review Sites

How to Create Android Notepad App – Part 2

19 Nov 2015 by Val Okafor

This post is a step by step tutorial on how to add data persistence to the Android Notepad app we create in the last post. You are highly encouraged to read the last posts to get the most out of this tutorial especially if you are new to Android development.

Android Firebase Cloud Messaging Tutorial

29 Aug 2016 by Andy Point

Android Firebase Cloud Messaging Tutorial Hello Developers, We are back with a new android firebase tutorial. This time we will discuss about Firebase Cloud Messaging (FCM). We will be using Firebase to add cloud messaging in android app. What is Firebase Cloud Messaging? Firebase Cloud Messaging is

How to Create a Default Skin to Use in Scene2D for Libgdx

25 Sep 2017 by IAmJoshChang

How to create a default skin to use in Scene2D for Libgdx

Spring Context Internals: Part 2 - Bean Sources

11 Oct 2017 by Roman Nazarenko

Spring Context Internals: Bean sources

Formatting CPP, C, JavaScript and Other Stuff

5 Dec 2019 by 10xlearner

A post on how to format CPP, C, JavaScript and other stuff

Understanding Bytecode and Java Virtual Machines

4 Jul 2020 by CodingKnight

While you don’t need to know about the details of Bytecode and JVMs to qualify as a Java programmer, such knowledge is still very beneficial.

How to Get Started with Android Development – Layout Managers

17 Oct 2022 by Cindy Potvin

At the end of my last article, I left you hanging after describing activities, without telling you how to build a UI, so here we go.

Java HashMap computeIfAbsent() - How to Use?

16 Jan 2023 by Divya Ulasala

HashMap computeIfAbsent() in Java 8

Amazon Web Services Simple Queue Service (AWS SQS) Using the Java 2 Software Development Kit

6 Apr 2020 by James A. Brannan

Introduction AWS SQS Message Queues are a way to exchange messages between applications. Senders, send data objects to a queue and receivers, receive objects from a queue.

AWS Key Management System (KMS) to Encrypt and Decrypt Using the ASW Java 2 SDK

17 Jun 2019 by James A. Brannan

Exploring the AWS Key Management System (KMS) to encrypt and decrypt data via the AWS Java 2 SDK

Deploying Grails with Groovy

17 Apr 2009 by Matt Stine

Deploying Grails with Groovy

iTextSharp running on Compact Framework – Windows Mobile

4 Jan 2010 by hjgode

iTextSharp ported to Compact Framework

Builder

6 Feb 2010 by Andriy Buday

Builder GoF Design patter with Java. Build your laptop example.

Serializing Java Objects to XML and Back

5 Sep 2010 by Mark Vinod Sinnathamby

How to serialize Java objects to XML and back

An Introduction to Bitronix JTA Transaction Manager with MySQL

6 Jan 2011 by Bikash Shaw

An Introduction to Bitronix JTA Transaction Manager with MySQL

Capture picture on Webpage with Java Backend

27 May 2011 by AshwinRayaprolu

How to capture picture on Webpage with Java Backend

Log4j logger.error(Object) trap

13 Aug 2011 by Marek Piechut

Log4j logger.error(Object) trap