Java Resources

A Guide to Streams: In-Depth Tutorial With Examples

Java 8 and streams: A match made in heaven, but it can be a little overwhelming. In this post, we take an in-depth look at this combination with some examples.

March 11, 2018

by Eugen Paraschiv

· 86,620 Views · 85 Likes

Microservices - Part 3: Spring Cloud Service Registry and Discovery

Learn about setting up service registry and discovery or your Spring Cloud and Spring Boot microservices development.

March 10, 2018

by Siva Prasad Reddy Katamreddy

· 32,293 Views · 21 Likes

Cheatsheet: Java Functional Interfaces

Want a quick breakdown of Java's functional interfaces? Here's a great compilation of predicates, operators, and functions, as well as their uses.

March 9, 2018

by Tony Tapper

· 59,745 Views · 67 Likes

TDD - Test Driven Development - Java JUnit FizzBuzz

In this article, we give a common programming interview question the TDD treatment, but from a tester's angle.

March 9, 2018

by Alan Richardson

· 18,640 Views · 3 Likes

Microservices - Part 2: Configuration Management With Spring Cloud Config and Vault

Continue your microservices journey by learning about configuration with Spring Cloud Config Server and storing sensitive data with Vault.

March 9, 2018

by Siva Prasad Reddy Katamreddy

· 22,095 Views · 20 Likes

Spring Webflux: Getting started

Excited to dive into Reactive Streams? Take a look at how to use Spring Webflux and Java 9 for asynchronous processing.

March 9, 2018

by Gunter Rotsaert

CORE

· 71,374 Views · 31 Likes

Testing Your Code With Spock

Let's take a look at some of Spock's key features, how they stack up against vanilla JUnit, and see how it helps with your testing.

March 8, 2018

by Alex Staveley

· 37,520 Views · 15 Likes

Using Enums in Java [Snippets]

This quick primer on enums in Java will go through some typical use cases and operations using snippets of enums in action.

March 7, 2018

by Hussein Terek

· 34,848 Views · 7 Likes

The Developer's Guide to Collections: Queues

Let's continue our journey into Java collections by examining the concept and proper usage of queues and deques in your code.

March 7, 2018

by Justin Albano

CORE

· 35,369 Views · 65 Likes

Building a Microservice Chassis With Spring Boot and Spring Cloud

Learn how to build a reusable microservice chassis - which helps save time and enforce consistency across teams and services.

Updated March 6, 2018

by Darryl Anderson

· 29,472 Views · 27 Likes

Spring Cloud Stream With Kafka

In this post, we take a look at how you can build a real-time streaming microservices application by using Spring Cloud Stream and Kafka.

March 6, 2018

by David Kiss

· 118,020 Views · 55 Likes

Cache OAuth 2 in Spring With Redis

In this article, we are going to go over how to create a caching mechanism for Spring and OAuth2 using Redis as our database for cache storage.

March 6, 2018

by Adam Zaręba

· 38,712 Views · 9 Likes

Variance, Immutability, and Strictness in Kotlin

Explore the relationships among variance, immutability, and strictness in Kotlin, how to code with them in mind, and how they compare to Java.

March 6, 2018

by Pierre-Yves Saumont

· 10,847 Views · 12 Likes

Java: BlockingQueues and Continuous Monitoring

Explore the BlockingQueue interface and see how to use it to work with multiple producers and consumers within a single thread while enabling continuous monitoring.

March 5, 2018

by Dineshkumar Murugan

· 26,226 Views · 8 Likes

Rust for Java Devs: Structs

As we continue our journey exploring the similarities between Rust and Java, see how to create and use structs in Rust and how they compare with Java objects.

March 5, 2018

by Dan Newton

· 9,765 Views · 4 Likes

Iterating Over a Bitset in Java

Take a deep dive into optimization and iterating over bitsets, with some intense benchmarking along the way.

March 4, 2018

by Richard Startin

· 14,708 Views · 4 Likes

Microservices Using Spring Boot and Spring Cloud — Part 1: Overview

In this series, we look at getting started on your microservices journey, leveraging Spring Boot and Spring Cloud. Here's an introduction to the various concepts needed.

March 4, 2018

by Siva Prasad Reddy Katamreddy

· 86,336 Views · 75 Likes