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Invokedynamic 101

What do you need to know about using invokedynamic and the java.lang.invoke API package in Java 7 and Java 8?

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Socket programming for scalable systems

Three iterations of a client-server example demonstrate the timeless utility of Java I/O, while also showcasing the streamlined concurrency and scalability features of NIO and NIO.2.

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Manipulating JARs, WARs, and EARs on the command line

Learn how to do essential CRUD operations on JAR, WAR, and EAR files using the command line and jar command.

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7 tools tuned for agile development success

Dev shops versed in agile development can choose from a wealth of rapidly improving project management tools to hone their processes.

Job Interviewing Skills
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6 ways to nail the job interview

Learn what IT hiring managers say are the most common interviewing mistakes and how you can avoid making them. Millennials, these tips are especially for you.

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Peer-to-peer: How to build a career in software development

Four developers explain how both careful planning and following the unexpected have helped them build their dream careers.

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Java ME 8 and the Internet of Things

For Java developers just getting started with embedded programming and IoT, this guide will orient you in Java ME's history and the new Java ME 8 and Java Embedded platforms.

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Complex tools, simple developers: A match made in hell

The developer shortage is coinciding with newer, more complicated tools that most workers can't really use.

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Functional programming's high efficiency comes at a cost

Though tough to define, functional programming can bring real productivity boosts if you can navigate the learning curve.

Java extension mechanism loads all JARs

Although the Java extension mechanism and the classpath mechanism are both used in Java class loading, there are some important differences between them. Unpack the Java extension mechanism and get tips for working around its pitfalls....

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Responsive web design with Google Web Toolkit

Get started with using GWT-friendly CSS media queries and multi-device layout patterns to develop mobile-responsive web applications. Demonstrations are based on an open source code base that you can use as a foundation for your own...

Customizing Cell Rendering

Swing's javax.swing.JList component and JavaFX's javafx.scene.control.ListView control let you customize how their various cells are rendered. In this post, I show you how to accomplish these tasks.

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3 big universities proclaim: Learn data science online!

You want to be a unicorn -- er, data scientist? Three pillars of higher learning promise to make that happen via the magic of the InterWebs.

Software developer shortage transcends international boundaries

More grade-school level technology education would help meet the unprecedented demand for qualified programmers.

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Learning a second programming language? Try these 5 sites

Want to switch between programming languages? These sites show developers how to bridge the gap between languages and frameworks.

ChoiceFormat: Numeric range formatting

Learn how to use ChoiceFormat and its patterns to customize the formatting of numeric ranges in your Java programs.

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Java 101: The next generation: The essential Java language features tour, Part 5

Not all varargs methods will contribute to heap pollution, so find out which ones do and why, in this second half of Jeff Friesen's introduction to small language changes that have made a big difference since JDK 7.

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3 make-or-break interview questions for developers

It's developer season at my company. Unlike with deer season, we’re hiring rather than shooting, though not all survive the interview process.

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10 more do's and don'ts for faster SQL queries

Follow these tried-and-true techniques to improving both the speed and concurrency of your dawdling database.

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