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Blade – A Complete Guidebook 1. Overview Blade is a tiny Java 8+ MVC framework, built from scratch with some clear goals in mind: to be self-contained, productive, elegant, intuitive, and super fast. Many different frameworks inspired its design: Node’s Express, Python’s Flask, and Golang’s Macaron / Martini. Blade is… Continue Reading blade
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Guide to JDeferred 1. Overview JDeferred is a small Java library (also supports Groovy) used for implementing asynchronous topology without writing boilerplate code. This framework is inspired by the Jquery’s Promise/Ajax feature and Android’s Deferred Object pattern. In this tutorial, we’ll show how to use JDeferred and its different utilities.… Continue Reading jdeferred
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Introduction to MBassador 1. Overview Simply put, MBassador is a high-performance event bus utilizing the publish-subscribe semantics. Messages are broadcasted to one or more peers without the prior knowledge of how many subscribers there are, or how they use the message. 2. Maven Dependency Before we can use the… Continue Reading mbassador
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Introduction to Tensorflow for Java 1. Overview TensorFlow is an open source library for dataflow programming. This was originally developed by Google and is available for a wide array of platforms. Although TensorFlow can work on a single core, it can as easily benefit from multiple CPU, GPU or TPU… Continue Reading tensorflow-java
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Ahead of Time Compilation (AoT) 1. Introduction In this article, we’ll look at the Java Ahead of Time (AOT) Compiler, which is described in JEP-295 and was added as an experimental feature in Java 9. First, we’ll see what AOT is, and second, we’ll look at a simple example. Third,… Continue Reading ahead-of-time-compilation
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Intro to AspectJ 1. Introduction This article is a quick and practical introduction to AspectJ. First, we’ll show how to enable aspect-oriented programming, and then we’ll focus on the difference between compile-time, post-compile, and load-time weaving. Let’s start with a short introduction of aspect-oriented programming (AOP) and AspectJ’s basics. 2.… Continue Reading aspectj
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Introduction to JavaPoet 1. Overview In this tutorial, we’ll explore the basic functionalities of the JavaPoet library. JavaPoet is developed by Square, which provides APIs to generate Java source code. It can generate primitive types, reference types and their variants (such as classes, interfaces, enumerated types, anonymous inner classes), fields, methods, parameters,… Continue Reading java-poet
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Guide to XMPP Smack Client 1. Introduction XMPP is a rich and complex instant messaging protocol. Instead of writing our own client from scratch, in this tutorial, we’ll take a look at Smack, a modular and portable open source XMPP client written in Java that has done much of the heavy lifting… Continue Reading xmpp-smack-chat-client
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The Dependency Inversion Principle in Java 1. Overview The Dependency Inversion Principle (DIP) forms part of the collection of object-oriented programming principles popularly known as SOLID. At the bare bones, the DIP is a simple – yet powerful – programming paradigm that we can use to implement well-structured, highly-decoupled, and… Continue Reading java-dependency-inversion-principle
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A Guide to NanoHTTPD 1. Introduction NanoHTTPD is an open-source, lightweight, web server written in Java. In this tutorial, we’ll create a few REST APIs to explore its features. 2. Project Setup Let’s add the NanoHTTPD core dependency to our pom.xml: <dependency> <groupId>org.nanohttpd</groupId> <artifactId>nanohttpd</artifactId> <version>2.3.1</version> </dependency> To create a simple server, we… Continue Reading nanohttpd
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