Language Resources

Pointers in Java

Learn the basics of differentiating references and pointers.

January 19, 2016

by Peter Verhas

CORE

· 24,883 Views · 9 Likes

JMS Queue Server and Client Example Based On an ActiveMQ Provider

The basics of messaging services for Java apps, along with a client example based on ActiveMQ.

January 16, 2016

by Tomasz J-ski

· 22,638 Views · 3 Likes

Playing With Spring Boot, Vaadin, and Kotlin

Spring Boot and Vaadin enthusiast, Nicolas Frankel, takes us through building an application in the JVM language Kotlin, using the two frameworks.

January 15, 2016

by Nicolas Fränkel

CORE

· 29,663 Views · 9 Likes

Query JSON Using SQL With Couchbase Query Workbench

Would you like to query a JSON document database using SQL-like syntax? Couchbase has N1QL for you. Read on to learn more.

January 14, 2016

by Arun Gupta

· 7,742 Views · 4 Likes

The MVVM Pattern – Dependency Injection

This post shows you how to build a C# application using the MVVM pattern. We'll create a feed reader for the example application.

January 14, 2016

by Matteo Pagani

· 12,526 Views · 1 Like

The Observer Pattern Using Java 8

Learn about the observer pattern using modern Java: What it is, specializations, common naming conventions, and more!

January 11, 2016

by Justin Albano

CORE

· 136,851 Views · 78 Likes

Leaner Java Collections With FastUtil

Learn more about the pros and cons of FastUtil vs Trove.

January 11, 2016

by Dustin Marx

· 17,219 Views · 12 Likes

Building Simple Data Access Layer Using JDBC

Here's how to build a data access layer with JDBC, including data transfer, database creation, and connecting to a database.

January 8, 2016

by Hany Ahmed

· 195,213 Views · 13 Likes

Simple Java SOAP Web Service Using JDK Tools

A tutorial on how to use JDK tools to publish and consume a simple SOAP web service.

January 7, 2016

by Hany Ahmed

· 118,680 Views · 36 Likes

Configuring Spring Boot for PostgreSQL

In this post, we will learn how to change Spring Boot from the default in-memory H2 to PostgreSQL.

January 7, 2016

by John Thompson

· 265,262 Views · 8 Likes

Programmatic Websocket Endpoints in Java EE 7

The Java Websocket API is versatile. In this 2-step post, you'll learn how to develop and deploy websocket endpoints.

January 6, 2016

by Abhishek Gupta

CORE

· 16,161 Views · 3 Likes

EXPLAIN FORMAT=JSON: Everything About attached_subqueries, optimized_away_subqueries, and materialized_from_subquery

EXPLAIN FORMAT=JSON provides some great details on subqueries optimization. Read on to learn more.

January 3, 2016

by Peter Zaitsev

· 4,239 Views · 2 Likes

Dynamic Class Enhancement with CGLib

Popular libraries like Spring use CGLib to dynamically generate classes at runtime. Understanding how it works can help you parse those notorious stack traces when something goes wrong.

January 2, 2016

by Alan Hohn

· 28,699 Views · 9 Likes

Java Garbage Collection Explained [Comic]

Programmers produce garbage just like threads do.

January 1, 2016

by Daniel Stori

CORE

· 36,306 Views · 55 Likes

Learning JavaScript with JS Bin

This article introduces JS Bin, with a focus on JavaScript, in an excerpt from John Larsen's 'Get Programming with JavaScript.'

December 31, 2015

by John Larsen

· 7,887 Views · 5 Likes

Discovering a Trove of Java Primitives Collection Handling

Learn more about the Trove4j library, which provides high performance collections for Java.

December 31, 2015

by Dustin Marx

· 10,643 Views · 4 Likes

Parser Generators: ANTLR vs JavaCC

A performance review of two parser generators: Java CC and ANTLR. One of them is a clear winner according to the measurements.

December 29, 2015

by Brett Crawley

· 44,354 Views · 8 Likes

Mocking RabbitMQ for Java Integration Tests

How to use an embedded Java version of Apache Qpid to mock a RabbitMQ Broker inside integration tests.

December 29, 2015

by Andre Buzzo

· 64,634 Views · 11 Likes

JBoss EAP 7 and NoSQL Using Java EE and Docker

Developers can write applications to Couchbase using many different languages and multiple SDKs. This post explains how to deploy and access a NoSQL database from JBoss EAP 7.

December 28, 2015

by Arun Gupta

· 10,138 Views · 5 Likes

XML Signatures and References

Last week I showed a peculiar XML Signature that validates even though the containing document was changed. The reason is that the signature lacks References. Read on to learn more.

December 27, 2015

by Anders Abel

· 5,671 Views · 3 Likes

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