Java Resources

Hello World With JBoss Modules

There aren't a lot of examples of JBoss Modules out there, so let's create a simple Hello World program.

October 11, 2016

by Anton Arhipov

· 21,431 Views · 15 Likes

Spring Data Series (Part 4): @Query Annotation

Check out this hands-on tutorial detailing how to use @Query annotations in Spring Data.

October 10, 2016

by Shaamik Mitraa

· 36,650 Views · 12 Likes

Spring Data Series (Part 3): Typesafe Query

Today, we dive into how Spring Data incorporates the querydsl project to provide simpler naming conventions and overcomes shortcomings.

October 9, 2016

by Shaamik Mitraa

· 12,444 Views · 8 Likes

Hash Tables, Mutability, and Identity: How to Implement a Bi-Directional Hash Table in Java

Mutability can affect the behavior of hash tables. Misunderstanding mutability can cause objects stored in a hash table to become irretrievable and essentially disappear.

October 7, 2016

by Wayne Citrin

· 20,432 Views · 12 Likes

A Java Developer's Guide to Migration

Here are a handful of helpful tips to keep in mind when migrating your apps to a more responsive style, including pitfalls and potential setbacks.

October 6, 2016

by Ben Wilson

· 21,105 Views · 9 Likes

The Rise and Fall of Scala

See one writer's take on Scala — how it came about, where it succeeded, and how it's declining.

October 6, 2016

by Moshe Kranc

· 133,062 Views · 132 Likes

3 Ways to Use Redis Hash in Java

Check out this comparison of Jedis, Spring Data Redis, and Redisson to see how each library talks to Redis and interacts with hashes.

October 6, 2016

by Nikita Koksharov

· 98,827 Views · 9 Likes

Scalable Graph Analytics with Apache Spark: Part I

Get started with scalable graph analysis via simple examples that utilize GraphFrames and Spark SQL on HDFS.

October 5, 2016

by Mirko Kämpf

· 6,203 Views · 7 Likes

An Opinionless Comparison of Spring and Guice

One developer maps out the features of both Spring and Guide from a dependency injection angle to see which one comes out on top.

October 4, 2016

by Nikhil Wanpal

· 39,737 Views · 28 Likes

12 Factors and Beyond in Java

Get a sense of estimating the skills, knowledge of users, and developers. Invest adequately in the understanding of the existing codebase.

October 4, 2016

by Pieter Humphrey

· 31,696 Views · 15 Likes

The Elements of Modern Java Style

Code style is an important aspect of software development. When done consistently and correctly, code style can help improve the quality of software.

October 3, 2016

by Michael Tofinetti

· 31,522 Views · 26 Likes

Canonical Equivalence in Unicode Pattern Matching

In this article, we will define and explain the term Canonical Equivalence as applied to pattern matching according to the Unicode character specification.

October 3, 2016

by Bengi Egima

· 6,421 Views · 3 Likes

Play With Java ServiceLoader And Forget About Dependency Injection Frameworks

Using Java SPI to load dependencies for Play Framework code using regular Java. No extra libraries or dependencies to add to your build.

October 2, 2016

by Harmeet Singh(Taara)

· 36,530 Views · 12 Likes

Optional isPresent() Is Bad for You

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

· 162,830 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

· 39,219 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

· 102,064 Views · 165 Likes