Java Language

Java language news, information, and how-to advice

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Java modularity specification opposed by Red Hat, IBM is voted down

It could be back to the drawing board for Oracle's modular technology plan intended to make it easier to scale Java

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Oracle hits back at modular Java critics

High-ranking Java official responds to Red Hat's comments, saying that changes need to be useful to all developers, not a select few

expect delays

Java module system may stall platform’s next release

Objections raised by IBM and Red Hat could delay the upgrade's release, planned for late July

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Red Hat and IBM raise objections to Java 9 modularization

JEC participants say modularization will have adverse effects on compatibility and could lead to two worlds of Java development

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Oracle floats Java hardware acceleration proposal

Project Trinity would enhance Streams with data processing hardware features for greater efficiency

Modular Java's true impact

The true impact of modular Java

Java 9's much anticipated modularity may have less effect on your coding practices than you think

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Java Q&ABy Jeff Friesen

Java 9's other new enhancements, Part 5: Stack-Walking API

Replacing StackTraceElement, the new Stack-Walking API supports filtering and lazy access to stack trace information, and makes it easier to obtain the caller class

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Oracle’s Java-on-Java experiment picks up steam

In a recent presentation, Oracle detailed both progress and future plans for implementing Java on Java

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Oracle recommends axing Java object finalizer

But due to Java’s release schedule, the Object.finalize feature will likely stick around for a while

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Java Q&ABy Jeff Friesen

Java 9's other new enhancements, Part 4: Multi-release JAR files

A Java 9 extension to the JAR file format makes it easier for third-party libraries and frameworks to use language and API features from newer Java releases

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Oracle sets priorities for Java 9 bug fixes

Speeding toward the Java 9 release date, Oracle will address only the highest priority bugs before July 27

Interfaces in Java

Java 101By Jeff Friesen

Java 101: Interfaces in Java

Extracting class interfaces into Java interfaces can increase the reusability of your code, but only if you know how to use their special properties.

javaqa j9 process api

Java Q&ABy Jeff Friesen

Java 9's other new enhancements, Part 3: The Process API

Updates to the Process API will make it easier to obtain a process ID, get additional information about a process, and execute actions on process termination

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Java garbage collector proposal aimed at performance testing

The Epsilon project could benefit testers, but it wouldn't bring manual memory management to Java

coming soon

Java 9 gets a release date: July 27

JDK 9, which features modularization and ahead-of-time compilation, will be released this summer

Type dependency and variances in Java

Type dependency in Java, Part 1

Covariance and contravariance might seem esoteric, but you'll need these concepts more than ever as the Java language evolves. Get started with type dependency in array types, generic types, and the wildcard element.

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Container-friendly Alpine Linux may get Java port

Project Portola would port the JDK to the security-focused, lightweight Linux distribution

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Java and Python FTP attacks can punch holes through firewalls

The Java and Python runtimes fail to properly validate FTP URLs, which can potentially allow attackers to punch holes through firewalls to access local networks

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