Java Resources

This primer on Java's File I/O API will familiarize you with files' attributes and the views you can use to manage and alter them.

July 25, 2017

by Unni Mana

· 26,318 Views · 9 Likes

Lifting Functions to Work With Java Monads

Want to take a more functional approach to Java? The language doesn't offer a lot of options, but here is some custom code you can use for method lifting.

July 24, 2017

by Paweł Szeliga

· 15,236 Views · 27 Likes

Java Memory Consumption in Docker and How We Employed Spring Boot

If your Docker container is consuming far too much memory to achieve optimal performance, read on to see how one team found a solution.

Updated July 24, 2017

by Serhii Povisenko

· 103,691 Views · 61 Likes

Running Code With Spring Cloud Function on AWS Lambda

Spring Cloud Function is here! Let's get a simple function working with the serverless titan that is AWS Lambda and API Gateway.

July 22, 2017

by Gyula Lakatos

· 52,043 Views · 27 Likes

Java 9: A Look at Milling Project Coin

Follow along this explanation of JEP 213: Milling Project Coin. Check out the tweaks coming to the Java language for identifier names, SafeVarargs, and more.

July 21, 2017

by Gowtham Girithar Srirangasamy

· 12,134 Views · 5 Likes

Java Singletons Using Enum

When making singleton classes, consider using an enum. It solves the problems that can crop up with (de)serialization and reflection.

July 21, 2017

by Dulaj Atapattu

· 266,988 Views · 39 Likes

Run a Simple .jar Application in a Docker Container

This tutorial shows you how you can run a Hello World .jar application in a Docker container from the command line, without a server.

July 20, 2017

by Julia Bondarchuk

· 266,291 Views · 22 Likes

Microservices: Spring Cloud Eureka Server Configuration

Learn what a Eureka server does, why it is useful in microservice architecture, and how to complete its standalone setup.

July 20, 2017

by Shaamik Mitraa

· 122,738 Views · 10 Likes

Develop and Deploy Microservices With JHipster

This comprehensive guide will walk you through developing and deploying microservices with the help of the open source JHipster.

July 20, 2017

by Matt Raible

· 41,555 Views · 27 Likes

Defining Bean Dependencies With Java Config in Spring Framework

Here's how to declare beans via Java Config, ranging from inter-bean references to using dependencies as method parameters.

July 19, 2017

by Bartłomiej Słota

· 164,203 Views · 23 Likes

Designing a Neural Network in Java From a Programmer's Perspective

Learn an approach to programming a neural network using Java in a simple and understandable way so that the code can be reused for various experiments.

July 18, 2017

by Daniela Kolarova

CORE

· 87,857 Views · 34 Likes

The Maven Way to Add Non-Maven JARs to a Maven Project [Snippets]

Sometimes we need to add non-Maven controlled JARs into our projects. In this post, we take a quick look at a Maven-based solution for doing this!

July 18, 2017

by Mohammad Nadeem

· 27,792 Views · 13 Likes

Reactive Streams With Spring Data and MongoDB

Spring Data and MongoDB have made it easy to include Reactive Streams in your projects. Here we cover the config work and changes to annotations you need to know.

July 18, 2017

by Dan Newton

· 40,621 Views · 7 Likes

Get Started With Spring Boot, SAML, and Okta

Here we dive into security, covering how to use Okta and SAML for the authentication and authorization of your Spring Boot apps.

July 17, 2017

by Matt Raible

· 44,512 Views · 3 Likes

What Are Reactive Streams in Java?

In this post we take an in-depth look at Reactive programming and streams in Java. With all the hype surrounding reactive systems, this post is worth the read.

July 15, 2017

by John Thompson

· 104,147 Views · 72 Likes

Learn how the Java Virtual Machine can help you save space and create a faster web application. Read on to find out more and check out the code.

July 14, 2017

by Artem Rukavytsia

· 16,733 Views · 13 Likes

PDF Creation With Java

Need to make some PDFs with Java? If you're not familiar with iText library, here's your chance to see this piece of open source software generate PDFs.

July 14, 2017

by Arun Pandey

CORE

· 75,628 Views · 29 Likes

Get Started With Spring Boot, OAuth 2.0, and Okta

Let's go from start to finish to make a Spring Boot app that uses OAuth for its authorization workflows and Okta for actual validation.

July 13, 2017

by Matt Raible

· 19,237 Views · 9 Likes

SQL-Like Operations With Java Using Streams

Among the Streams API's uses is easily processing data. Here is how to get SQL-like functionality out of your Streams with some best practices to keep in mind.

July 12, 2017

by Harinath Kuntamukkala

· 18,621 Views · 6 Likes

Java Command-Line Interfaces (Part 7): JCommander

JCommander is a solid annotation-based library for parsing command-line arguments. Let's run through how it works and see it in action.

July 12, 2017

by Dustin Marx

· 11,633 Views · 9 Likes

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