Java Resources

I’m impressed by the complexity of query you can write using Spring Data. My favourite feature is returning the first or top records from a table.

July 1, 2016

by Martin Farrell

· 48,044 Views · 26 Likes

Convert a List to a Comma-Separated String in Java 8

This quick tutorial shows you how to use streams in Java to convert the contents of a list to a comma-separated string in Java 8.

Updated June 29, 2016

by Mario Pio Gioiosa

· 531,748 Views · 24 Likes

Announcing Java EE Microprofile

At DevNation this week, a new Java EE profile was announced to help Enterprise Java make greater strides in working with microservices architectures.

June 29, 2016

by G. Ryan Spain

· 14,554 Views · 17 Likes

Puppet Server: Advanced Memory Debugging

How to monitor, prevent, and debug memory issues in the open source and proprietary Puppet Server tools.

June 29, 2016

by Chris Price

· 7,180 Views · 1 Like

Functional Programming in Pure Java: Functor and Monad Examples

This article looks at functors and monads from a specific angle of Java data structures and libraries.

June 28, 2016

by Tomasz Nurkiewicz

· 85,817 Views · 88 Likes

Installing a Java Application as a Windows Service

Ever wondered how to install a Java application as a Windows service? This article shows you how to do it.

June 27, 2016

by Bozhidar Bozhanov

· 45,253 Views · 20 Likes

Java Code Challenge: Bus Gossip Solution

Here's the solution to the last Java Code Challenge: Bus Gossip edition! Well done to everyone who submitted a solution.

June 23, 2016

by Sam Atkinson

· 12,793 Views · 10 Likes

How to Set Up a Maven Repository In Minutes

A tutorial on how to set up Artifactory as a Maven repository to resolve and deploy artifacts in Maven builds.

June 22, 2016

by Sam Rubashkin

· 28,003 Views · 8 Likes

Exception Handling in Real-Life Java Applications

Exception handling in an application can often be varied, inconsistent, or inappropriate. This article proposes an API to make exception handling more robust and efficient.

June 22, 2016

by Jalal Kiswani, PhD

· 52,170 Views · 31 Likes

Java Websocket Containers: The Possibilities

With the Java Websocket API being integrated directly into Java EE7, check out how Tyrus, the reference implementation, integrated with containers for maximum effect.

June 21, 2016

by Abhishek Gupta

CORE

· 8,899 Views · 4 Likes

Lightweight Docker Images for Java Apps

If you're searching for a way to get your Docker images down to a more manageable size, it might just be easier to choose a different starting point.

Updated June 20, 2016

by Kevin Hooke

· 5,133 Views · 3 Likes

Why Java Is a Purely Object-Oriented Language... Or Why Not

Java—is it actually object-oriented? Let's take a look deep into Java to try to figure it out.

June 16, 2016

by Naresh Joshi

· 32,048 Views · 9 Likes

Relation of Middleware to Microservices, Docker, and Cloud-Native Architectures

This rather long, but extremely well-researched article by Kai Wähner is a follow-up and update to his previous article "Microservices and whether that spells the death of the Enterprise Service Bus and other middleware." In this piece, he discusses how relevant microservices, containers, and a cloud-native architecture is for middleware. Take the time and read this... it's well worth it!

June 10, 2016

by Kai Wähner

CORE

· 32,354 Views · 10 Likes

Java EE 8 in Crisis!

Java EE is in crisis with a clear lack of support from Oracle resulting in EE8's delivery being significantly delayed.

June 10, 2016

by Peter Pilgrim

· 17,518 Views · 13 Likes

Java Remote Method Invocation with Redisson

This article shows how you can use a Redis-based in-memory data grid for Java remote method invocations.

June 10, 2016

by Nikita Koksharov

· 10,812 Views · 4 Likes

Performance Tuning Ideas for Apache Camel

Sometimes, it might be worth squeezing few more milliseconds from your Camel routes. Here are some ideas for tuning Camel based systems, which may apply for you.

June 10, 2016

by Bilgin Ibryam

· 33,043 Views · 8 Likes

Is Java Dying? (In Knuth's Up-Arrow Notation) [Comic]

Yep↑↑↑↑n.

June 10, 2016

by Daniel Stori

CORE

· 80,297 Views · 161 Likes

Testing the Hibernate Layer With Docker

We are all writing unit tests for the service layer, but the persistence layer, in contrast, is rarely tested. Luckily, Docker offers TestContainers.

June 9, 2016

by Kai Winter

· 4,949 Views · 4 Likes

Running Spring Boot in a Docker Container

A brilliant from-the-start introduction to using Spring Boot on Docker. This article even takes you through what Docker is so you've no excuse not to give it a whirl.

June 9, 2016

by John Thompson

· 99,389 Views · 11 Likes

Observations From a History of Java Backwards Incompatibility

Dustin Marx discusses corner cases where backwards compatibility can have ill effects on your Java applications.

June 9, 2016

by Dustin Marx

· 13,475 Views · 4 Likes

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