Java Resources

Learn about the benefits and drawbacks Optional objects can bring and how to use them to properly refactor your code. Hint: Don't use them with isPresent().

October 1, 2016

by Mateusz Winnicki

· 162,714 Views · 52 Likes

9 Things in JDK 9 That Aren’t Jigsaw

Everyone's salivating over Project Jigsaw, but JDK 9 offers plenty more. From new stream sources and features to enhanced deprecation, see what the kit has to offer.

September 30, 2016

by Simon Ritter

· 39,176 Views · 56 Likes

API Design With Java 8

Learn to be a better Java programmer by mastering Java 8 API design, exposing a well-designed API, making sure that client code can use lambdas, and more.

September 30, 2016

by Per-Åke Minborg

· 101,974 Views · 165 Likes

Spring Cloud Netflix: Load Balancer with Ribbon/Feign

The idea in this post is to show some concepts about load balancing, Ribbon and Feign, and step by step process for working with Ribbon and Feign.

September 29, 2016

by Rafael Salerno

· 114,783 Views · 23 Likes

Insert DynamoDB Items With DynamoDBMapper

As we continue our series, once you've mapped your tables into Java objects, it's then time to insert them. Learn how to do that here.

September 28, 2016

by Emmanouil Gkatziouras

CORE

· 15,000 Views · 4 Likes

Creating Maven Artifacts From a jar File

Here is a step-by-step guide for generating Maven artifacts from any third-party jar.

September 28, 2016

by Shirish Bari

· 27,674 Views · 7 Likes

How to Read a Large CSV File With Java 8 and Stream API

Scenario: you have to parse a large CSV file (~90MB), practically read the file, and create one java object for each of the lines. What do you do?

September 28, 2016

by Eugen Hoble

· 264,151 Views · 27 Likes

How to Authenticate With JGit

In this post, Alex Soto shows you how to authenticate to a Git repository with JGit.

September 26, 2016

by Alex Soto

· 32,223 Views · 6 Likes

Spring(boot)ing to the Web With Java and Pom.xml

Following along as one developer shows you how to set up an app with Spring Boot using some Java and a single Pom.xml file.

September 23, 2016

by Ajitesh Kumar

· 15,000 Views · 17 Likes

Java DSL for Spring Integration 1.2 Milestone 2 Is Available

With the release of the Java DSL for Spring Integration 1.2 M2 now available, we take a look at what's included and what can be done!

September 23, 2016

by Artem Bilan

· 5,018 Views · 3 Likes

Favor Skeletal Implementation in Java

Got duplicate code? Learn how to get rid of it while making what's left work for you. A skeletal implementation gets your interface and Abstract class working together.

September 22, 2016

by Shaamik Mitraa

· 20,948 Views · 26 Likes

Parse XML to Java Objects Using Jackson

Check out this short tutorial on how to parse XML to Java objects using Jackson.

September 20, 2016

by Srinivas Giduthuri

· 88,484 Views · 6 Likes

How to Publish Your Artifacts to Maven Central

If you're wondering how to publish your artifacts to Maven central, then this step-by-step guide from Mohammad Nadeem is for you.

September 20, 2016

by Mohammad Nadeem

· 141,354 Views · 15 Likes

Configuring the Maven Release Plugin to Skip Tests

Skipping the execution of tests during the Release plugin execution might improve your release time because the Maven Release Plugin already executes the same tests twice.

September 19, 2016

by Alex Soto

· 16,278 Views · 2 Likes

Towards More Functional Java Using Lambdas as Predicates

This series on Java 8 functional features and functional style reviews the use of lambdas and the importance of separation of concerns.

September 18, 2016

by Scott Leberknight

· 18,810 Views · 29 Likes

Memory Analysis: How to Obtain Java Heap Dump

Exploring automatic and manual Heap Dumps in Oracle JDK8 for troubleshooting memory issues.

September 16, 2016

by Siva Prasad Rao Janapati

· 88,987 Views · 10 Likes

Create Thread Dumps (Nine Options)

Thread dumps are vital artifacts to diagnose CPU spikes, deadlocks, memory problems, unresponsive applications, poor response times, and other system problems.

Updated September 15, 2016

by Ram Lakshmanan

CORE

· 185,571 Views · 44 Likes

JMS: A Quick and Complete Guide

This guide will walk you through all you need to know about JMS and how it works, communicates, and connects with other software.

September 14, 2016

by Arun Pandey

CORE

· 32,600 Views · 31 Likes

Distributed Tasks Execution and Scheduling in Java, Powered By Redis

A walk through the new features of Redisson node, a way to perform distributed task execution using Redis.

September 13, 2016

by Nikita Koksharov

· 43,909 Views · 11 Likes

Mockito Custom Answers

Custom argument matchers and custom answer behavior allow us to use Mockito to mock complex and responsive behavior, making for highly realistic tests.

September 13, 2016

by Alan Hohn

· 7,007 Views · 2 Likes

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