Core Java

Core Java news, information, and how-to advice

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Web services in Java SE, Part 2

Learn how to use Java SE's JAX-WS API to create a SOAP-based units-conversion Web service.


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What’s new in Java EE 8

The upgrade retools enterprise Java for cloud and microservices environments

Datastructures and algorithms in Java

Java 101: Datastructures and algorithms in Java, Part 1

Programmers use datastructures to store and organize data, and algorithms to manipulate that data. Get the basics of these fundamental programming elements, and find out how they work together in your Java programs

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21 technologies transforming software development

The very nature of programming is evolving faster than you might think, thanks to these powerful tools

React - an open-source JavaScript library for building user interfaces

The best JavaScript testing tools for React

How to choose the right test runner, test framework, assertion libraries, and add-on tools for your React project

7 skills

Where are the best software developers? Not Silicon Valley

Technical recruiter HackerRank says the best developers are in Washington and Wyoming, based on the results of its coding skills tests

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Web services in Java SE, Part 1

This post launches a four-part series introducing you to Java SE 6's support for Web services. Later in the series we'll build SOAP-based and RESTful-based Web services and explore advanced Web services topics.

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Survey says Python is tops with developers

Packt survey finds Python is the most commonly used tool, while Splunk, Hadoop, and Kafka skills draw the highest pay

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21 rules for faster SQL queries

Follow these tried-and-true techniques to improve the speed and scalability of your relational database

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Luna brings visual development to functional programming

Developers typically start sketching components and dependencies on a whiteboard before coding, so Luna’s creators argue that it doesn’t make sense to then implement that logic only in text

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Java library evolution and other puzzlers

Exploring puzzling code to figure out why it doesn't do what seems obvious is one way to improve your programming skills. Puzzle yourself today!

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Eclipse gets ready for Java 9 with Oxygen release train

The annual coordinated release covers 83 projects, including Linux Tools, PDT, Sirius, and EGit

puzzle / challenge / teamwork / strategy / cooperation / collaboration

The road to Java 9: Modular Java finally gets OK'd

IBM, Eclipse Foundation, Red Hat, and others decide to stand out of the way of the controversial technology’s deployment in Java 9

ladybugs

The road to Java 9: Only critical bugs getting fixed now

The upgrade is slated for an initial release candidate build today

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Ruby’s decline in popularity may be permanent

Still in the top 10 of RedMonk’s language rankings, Ruby faces tough competition from Go, Rust, Swift, and Kotlin

CheerpJ converts Java apps into JavaScript for the web

Applications and Java libraries are converted to web applications, so there is no need for plug-ins or Java installations

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JVM may get upgrade to support today’s multicore processors

Proposed JVM specification changes would support a prototype of value classes

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