Core Java

Core Java news, information, and how-to advice

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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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Experimental JavaScript compiler shakes up ideas about speed, simplicity

Higgs, an experimental JavaScript engine written in D, uses novel approaches to speed up JavaScript -- and could inspire similar projects.

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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.

Oracle CEO Larry Ellison steps down as CEO, Catz, Hurd named co-CEOs

In a surprise move, Ellison announced that he is stepping down but not out of the picture; he's now appointed executive chairman and CTO of Oracle.

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APIs will glue together the Internet of things

IoT isn't about what one device can do but what multiple devices, connected by a bridge of APIs, can do together.

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Java, C++ slip in popularity as domain-specific languages spread

The spread of DSLs in niche fields could be gradually reducing the need for general-purposes languages like Java and C++.

Compiler wars: LLVM and GCC compete on speed, security

Newest revision of LLVM compiler framework battles with GCC on performance, but it has lots of ground to cover.

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Scala founder: Language due for 'fundamental rethink'

The Scala road map has three upgrades planned, with a simpler, more modular language set as the end goal.

Beyond average: 10 best practices for coding Java APIs

Stretching the limits of Java has its pitfalls, and it's also unavoidable for many advanced programming scenarios. jOOQ creator Lukas Eder offers 10 best practices for less common scenarios in API design and development.

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Programmers could get REPL in official Java

Java could add a Lisp-based read-evaluate-print-loop tool as part of Project Kulla, but developers debate whether it's a good fit.

Big Java news in late summer 2014

Java modularity and updated JVM performance options spark developer interest in Java EE 8 and Java 9.

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The star of JavaOne is ... JavaScript?

Fearing developers could defect, Oracle makes accommodations for JavaScript at its upcoming Java conference.

JXCore's new trick: Convert Node.js projects into self-running apps

Newest beta of the JXCore fork of Node.js lets users compile Node applications and dependent modules into deliverables.

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Why developers should get excited about Java 9

The next generation of the enterprise development platform will feature major improvements, including modularity and API updates.

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What I wish I'd known starting out as a programmer

Why make the same old career mistakes when you can make new ones? Andrew Oliver distills some of the harder lessons learned early in his programming career.

Autoboxing, Unboxing, and NoSuchMethodError

The Java NoSuchMethodError sometimes arises when pre-Java 5 classes are compiled with classes that include autoboxing and unboxing syntax. Find out why and learn how to work around it in this post.

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Stroustrup: Why the 35-year-old C++ still dominates 'real' dev

C++ inventor details the language's latest changes and assesses the strengths and weaknesses of its competitors.

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