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  • Book Review: Optimizing Java

    InfoQ reviewed the book Optimizing Java, a comprehensive in-depth look at performance tuning in the Java programming language written by Java industry experts, Ben Evans, James Gough and Chris Newland. InfoQ spoke to the authors for more insights on their experiences, learnings and obstacles in authoring this book.

  • Getting to Know Graal, the New Java JIT Compiler

    Oracle has released Graal, which is both a new JIT compiler for Java and a major component in their next-generation polyglot virtual machine, GraalVM. The effort aims to improve startup time and reduce footprint of Java applications as well as unlock fully polyglot, multi-language technologies within a single VM. The initial release includes JVM and JS with LLVM, Ruby and R in beta.

  • InfoQ Call for Articles

    InfoQ provides software engineers with the opportunity to share experiences gained using innovator and early adopter stage techniques and technologies with the wider industry. We are always on the lookout for quality articles and we encourage practitioners and domain experts to submit feature-length (2,000 to 3,000 word) papers that are timely, educational and practical.

  • Under The Hood with the JVM's Automatic Resource Management

    The deprecation of Object::finalize is an unusual step for the Java ecosystem. We dive deep into the Hotspot JVM to see how it works. We also compare it to RAII and the Java 7, try-with-resources syntax. The article contrasts these very different approaches to automatic resource management, and explains why TWR should be used in place of finalization by application programmers.

  • What the JIT!? Anatomy of the OpenJDK HotSpot VM

    If you've ever wondered what happens when your bytecode executes, join former Oracle G1GC performance-lead Monica Beckwith in her guided tour of just-in-time (JIT) compilation and runtime optimizations in OpenJDK HotSpot VM.

  • Top 10 Performance Mistakes

    Martin Thompson, co-founder of LMAX, keynoted at QCon São Paulo 2016, outlining the top 10 performance related mistakes that he has encountered in production.

  • Easily Create Java Agents with Byte Buddy

    In this article Rafael Winterhalter, creator of the bytecode manipulation tool Byte Buddy, provides detailed guidance on how to easily create Java agents using Byte Buddy.

  • Fighting Developer Fatigue with JNBridge

    Developer fatigue is the overwhelming frustration felt by developers who are under pressure to keep current with a flood of new languages, libraries, frameworks, platforms and programming models. JNBridge offers a way to help alleviate developer fatigue by allowing you to mix the libraries you know with code written in the language you are learning.

  • A Post-Apocalyptic sun.misc.Unsafe World

    The removal of sun.misc.Unsafe and other private APIs in Java 9 has in recent weeks divided the Java community perhaps as never before in its 20 year history. Even though a resolution has now been proposed and a migration path presented, the big question remains: What will a post sun.misc.Unsafe world look like?

  • Java Bytecode: Bending the Rules

    Throwing checked exceptions without declaration, changing final fields; these kinds of antics would never be tolerated by the Java language. But using Java bytecode these can be done readily. Few developers ever work with Java bytecode directly, but bytecode format is not difficult to understand. In this article Rafael Winterhalter takes us on a tour of Java bytecode & some of its capabilities

  • Secrets of the Bytecode Ninjas

    The Java language is defined by the Java Language Specification. But the executable bytecode of the Java Virtual Machine is defined by a completely separate standard, the Java Virtual Specification, and the two are often at odds. In this article we take a look at the structure of a class file and how to create class files directly without starting from Java source, using the ASM library.

  • InfoQ Talks to Azul Systems Gil Tene Part 2

    In this part 2 of InfoQ's conversation with Gil Tene of Azul Systems, Gil discusses their latest engineering project aimed at bring better low-level memory layout control to Java, and the requirement modern high-performance Java applications have for this solution.

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