Java Resources

Here's a step-by-step guide that details how to containerize your Scala apps with Docker, including how to set up your Dockerfile.

May 15, 2018

by Emmanouil Gkatziouras

CORE

· 19,069 Views · 4 Likes

Java's @Serial Annotation

JDK 11 might see a new annotation. Let's see how this one is meant to help with your serialized classes and what the roadmap looks like.

Updated May 15, 2018

by Dustin Marx

· 12,865 Views · 2 Likes

Stream a File to AWS S3 Using Akka Streams in Play Framework

Here's a handy guide to start streaming your files to the cloud (AWS S3) in particular when using Akka, Play Framework, and Alpakka.

Updated May 14, 2018

by Sidharth Khattri

· 14,096 Views · 2 Likes

Mule Expressions Using Java

Read this short and simple tutorial in order to learn how to use Java code to perform validation for variables in the Mule flow.

May 12, 2018

by Varun Goyal

· 19,211 Views · 3 Likes

Up-to-Date Cache With EclipseLink and Oracle

Let's look at how to use Oracle's Continuous Query Notification feature and how you can use it when updating or invalidating caches when data changes.

Updated May 12, 2018

by Piotr Mińkowski

· 7,434 Views · 3 Likes

Parallel and Asynchronous Programming in Java 8

Java 8 offered a boon to parallel and asynchronous programming. Let's check out the lessons Java learned from JavaScript and how JDK 8 changed the game.

May 11, 2018

by Lisa Steendam

· 78,479 Views · 17 Likes

Service Discovery With Eureka and Zuul

Learn how to use Spring Boot with Zuul and Eureka to create a simple discovery service, routing .NET applications through a Zuul gateway.

May 10, 2018

by Jarett Lear

· 90,129 Views · 7 Likes

JPA and Hibernate: Persist LocalDate and LocalDateTime [Video]

As useful as JPA is, you still run into problems when using it with Java 8's updated Date and Time API. Here's how to build an AttributeConverter and how Hibernate helps.

May 8, 2018

by Thorben Janssen

· 12,137 Views · 2 Likes

DDD Approach in Microservices-Based Abixen

This article will walk you through an example of a microservice-based architecture set up with a Domain Driven Design approach.

May 8, 2018

by Mariusz Kumor

· 12,720 Views · 5 Likes

Microservices: Service Registration and Discovery

See an example of a microservices application developed with Vaadin and Spring Boot to learn about implementing service registration and discovery.

May 7, 2018

by Alejandro Duarte

CORE

· 48,143 Views · 9 Likes

Reactive Microservices With Spring WebFlux and Spring Cloud

If you're looking to get started with reactive microservices with the latest and greatest tools in the Spring arsenal, then this post is for you!

May 5, 2018

by Piotr Mińkowski

· 66,554 Views · 29 Likes

Faster Repeated Access to Java Class Names Coming to Java?

As we continue the game of which fancy features are coming to Java next, we examine a proposal to cache class names to boost performance.

May 4, 2018

by Dustin Marx

· 9,838 Views · 3 Likes

Optional Parameters in Java: Strategies and Approaches

There are a variety of tactics available when it comes to using optional parameters. Here, we'll compare six different approaches to see which ones to pick and when.

May 4, 2018

by Eugen Paraschiv

· 36,780 Views · 28 Likes

A Multi-Gateway Payment Processing Library for Java

Check out J2Pay, an open source library designed to ease the burden of working with multiple payment gateways in your Java projects.

May 3, 2018

by Muhammad ilyas

· 59,346 Views · 29 Likes

New Methods on Java Strings With JDK 11

JDK 11 will probably be bringing a few new methods to the String class! Most of them focus on redefining white space for a more consistent approach.

May 3, 2018

by Dustin Marx

· 29,034 Views · 9 Likes

Introduction to Spring Cloud: Config (Part 1)

Working with distributed systems? Spring Cloud is probably a top pick for most devs. Let's see how to use both it and Spring Cloud Config for your projects.

May 2, 2018

by Mohit Sinha

· 16,453 Views · 5 Likes

Java vs. Python: Which Programming Language Is Best?

In one of the titanic programming dilemmas of today, let's examine Java and Python to see how they compare and some ideal uses to consider them for.

May 2, 2018

by John Mueller

· 80,891 Views · 10 Likes

Java Tips: Creating a Monitoring-Friendly ExecutorService

Let's take a look at an example of how you might implement a monitoring-friendly ExecutorService for your Java application.

May 2, 2018

by MD Sayem Ahmed

· 29,088 Views · 9 Likes

Add Spring Security and Okta for a Secure Spring Microservices Architecture

This comprehensive guide will help you secure your microservices architectures using a combination of Spring Security and Okta.

May 2, 2018

by Matt Raible

· 10,176 Views · 2 Likes

Understanding and Leveraging the Java Stack Trace

Let's examine a couple of different approaches to interacting with stack traces, including the StackTraceElement class as well as the relatively new Stack Walker API.

May 1, 2018

by Eugen Paraschiv

· 16,605 Views · 9 Likes

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