Inside Java

Inside Java

Inside Java is a podcast for Java Developers brought to you directly from the people that make Java at Oracle. We'll discuss the language, the JVM, OpenJDK, platform security, innovation projects like Loom and Panama, and everything in between.

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"Embracing Virtual Threads with Helidon" [I/O]

<p>Helidon 4.4 was released in April 2026 and stands out from other web frameworks by embracing new Java features as early as possible, particularly virtual threads and ahead-of-time computation. It is also aiming to become an OpenJDK project in the coming months.</p> <p>In this "Input/Output" episode of the Inside Java Podcast, recorded during JavaOne 2026, Nicolai Parlog talks to Joe Di Pol, Lead Principal Platform Software Engineer at Oracle where he works on Helidon.</p> <p>"Input/Output" is our new show, where we talk to people outside of OpenJDK to bring you their perspectives and insights into what's happening in the Java ecosystem.</p>

2026/8/6
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"JIT Compiler From the Ground Up" [AtA]

<p>While Java programs are deployed as bytecode, performance-relevant code will be compiled, at run time, to machine code whose performance rivals that of any other platform. In the HotSpot JVM, this is the job of the just-in-time compilers C1 and C2 and between speculation and traps, inlining and constant folding, escape analysis and scalar replacement (and many more), they apply a number of heuristics, analyses, and transformations to achieve that. This requires expertise, careful research, thorough testing, and regular reevaluations of old assumptions.</p> <p>In this "Ask the Architects" episode of the Inside Java Podcast, recorded during JavaOne 2026, Nicolai Parlog talks to Roberto Lozano, compiler engineer at the Java Platform Group at Oracle.</p> <p>In our show "Ask the Architects", we talk to experts in OpenJDK about their work on the Java language, API, and runtime.</p>

2026/7/30
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"AI Solutions with Spring AI 2.0 and Java" [I/O]

<p>Spring AI 2.0 released in June 2026 and is one of several projects ensuring Java's continued strength in enterprise AI development. Here are some tips on deterministic agents, MCP servers and skills, prompt engineering, and where Java's richness for AI solutions stems from.</p> <p>In this "Input/Output" episode of the Inside Java Podcast, recorded during JavaOne 2026, Lize Raes talks to Dan Vega, Spring Developer Advocate at Broadcom, Java Champion, speaker, and author.</p> <p>"Input/Output" is our new show, where we talk to people outside of OpenJDK to bring you their perspectives and insights into what's happening in the Java ecosystem.</p>

2026/7/23
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"JDK 27 + Valhalla, Now! + Hackathon" [IJN]

<p>JDK 27 entered Ramp-Down-Phase 1 in early June, so we can go over its features. Valhalla's first JDK Enhancement Proposal (401) will likely be part of JDK 28. Show off your Java ideas in the <em>"</em><em>Modern Java in the Wild"</em> hackathon. There are two interesting articles for those who want to dive deeper into AOT with agents or into using GPU tensor cores from Java.</p> <p>Links:</p> <ul> <li>JDK 27 JEP list: <a href= "https://openjdk.org/projects/jdk/27/">https://openjdk.org/projects/jdk/27/</a></li> <li>Valhalla mail: <a href= "https://mail.openjdk.org/archives/list/jdk-dev@openjdk.org/threadAIA3O3LHFZ6T7TIPH7KZT4WS4B6U72U5/"> https://mail.openjdk.org/archives/list/jdk-dev@openjdk.org/threadAIA3O3LHFZ6T7TIPH7KZT4WS4B6U72U5/</a></li> <li>JEP 401 PR: <a href= "https://github.com/openjdk/jdk/pull/31120">https://github.com/openjdk/jdk/pull/31120</a></li> <li>"Java in the Wild" hackathon: <a href= "https://www.hackster.io/contests/modern-java-in-the-wild">https://www.hackster.io/contests/modern-java-in-the-wild</a></li> <li>AOT vs agents: <a href= "https://bugs.openjdk.org/browse/JDK-8387190">https://bugs.openjdk.org/browse/JDK-8387190</a></li> <li>AOT and JVMTI agents: <a href= "https://bugs.openjdk.org/browse/JDK-8387194">https://bugs.openjdk.org/browse/JDK-8387194</a></li> <li>"Exploiting GPU Tensor Cores": <a href= "https://openjdk.org/projects/babylon/articles/hat-tensors/hat-tensors"> https://openjdk.org/projects/babylon/articles/hat-tensors/hat-tensors</a></li> </ul> <p> </p>

2026/7/19
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"Scripting JS and Python with Project Detroit" with Mikael Vidstedt [AtA]

<p>OpenJDK recently resurrected Project Detroit, an effort to ease Java's interoperability with Python and JavaScript. Interestingly, while both integrations will work through the _java.scripting_ API, there are still differences between them. On top of that, the JavaScript integration needs to explain how it related to the removal of Nashorn in JDK 16.</p> <p>In this "Ask the Architect" episode of the Inside Java Podcast, recorded during JavaOne 2026, Nicolai Parlog talks to Mikael Vidsted, lead of the Java Virtual Machine team at Oracle, about Project Detroit.</p> <p>Project Detroit: https://openjdk.org/projects/detroit/</p>

2026/7/9
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"How JEPs Drive Java's Evolution" with Alex Buckley [AtA]

<p>JDK Enhancement Proposals are OpenJDK's vehicle for documenting and communicating substantial changes of the Java language, its APIs, and the runtime but also the JDK project itself, for example when it comes to development processes. Their well-defined structure and the immense care that goes into writing them make them eminently readable and understanding them well is essential to understanding Java's development.<br /> <br /> In this "Ask the Architect" episode of the Inside Java Podcast, recorded during JavaOne 2026, Nicolai Parlog talks to Alex Buckley, the Guardian of the JEP process.</p>

2026/6/25
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"Java *is* Memory Efficient" with Ron Pressler [AtA]

<p>Java's use of memory, often chided for being excessive, is actually a strength as it trades more memory use for fewer CPU cycles. Java can only make this tradeoff due to its moving garbage collectors, something more memory efficient platforms often cannot. But what's the point in leaving available memory on the table if using it makes your program run faster? Efficient use of that resource wouldn't be to leave it untapped but to use it to speed up the program.</p> <p>In this "Ask the Architect" episode of the Inside Java Podcast, recorded during JavaOne 2026, Nicolai Parlog talks to Ron Pressler, Java Architect at Oracle.</p>

2026/5/28
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"Java Gets Post-Quantum TLS" [IJN]

<p>With JDK 27 introducing hybrid key exchange schemes that combine ML-KEM with traditional ECDHE algorithms, Java applications can gain TLS-layer protection against the <em>harvest-now, decrypt-later threat without rewriting business logic</em>.</p> <p>In this episode of the Inside Java Newscast, Ana explains post-quantum hybrid key exchange for TLS 1.3 and demonstrates how a Java application can take advantage of it.</p> <p>See https://inside.java/podcast</p> <p> </p>

2026/5/18
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"Make Java Safer with Flexible Constructor Bodies" [IJN]

<p><em>Flexible constructor bodies were added to Java 25 with JEP 513. In this episode of the Inside Java Newscast Billy Korando will review the issues with how constructors used to work before Java 25, either forcing developers to write convoluted code, or in some cases undermining the safety and integrity of child classes. Billy will then cover how flexible constructor bodies address these issues and how Java developers can use them to write safer code and better designed applications.</em></p> <p><em>Make sure to check https://inside.java/podcast</em></p> <p> </p>

2026/5/5
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"Ask the Architects at JavaOne'26" [AtA]

<p>In JavaOne 2026's closing session, audience members had the opportunity to ask the Java architects questions. They asked about the state of structured concurrency and Project Babylon, how Java is being developed and the role AI plays in that process, the architects' pet projects, and whether they would ever consider breaking backward compatibility, etc. </p> <p>Make sure to check https://inside.java/podcast</p> <p> </p>

2026/4/23
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"You Must Avoid Final Field Mutation" [IJN]

<p>With JDK 26 / JEP 500 starting to prevent final field mutation through reflection, it is important that Java projects stop employing that practice.</p> <p>For more, check https://inside.java/podcast</p>

2026/4/16
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"How JDK 26 Improves G1's Throughput" [AtA]

<p>G1 is Java's default garbage collector in most environments, and its throughput has been considerably improved in JDK 26 by streamlining its write barriers. This conversation explores the background of that change and dives deep into regions, write barriers, concurrent marking, card tables, and how all that impacts throughput before eventually getting to the improvements made in Java 26, which lay further groundwork to G1 becoming the one and only default collector across _all_ environments.</p> <p>In this "Ask the Architect" episode of the Inside Java Podcast, recorded during JavaOne 2026, Nicolai Parlog talks to Stefan Johansson, Hotspot Garbage Collection engineer at Oracle.</p> <p>For more, check https://inside.java/podcast</p>

2026/4/9
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"Analyzing Crashed JVMs" [IJN]

<p><em>The Java tool <code class= "highlighter-rouge language-plaintext">jcmd</code> ("j command") sends diagnostic commands to the JVM, which will react by supplying the desired information: from finalizer queues to heap and thread dumps, from GC insights to virtual thread scheduler statistics. At the moment, this requires a running JVM, but once candidate <a href="https://openjdk.org/jeps/528">JEP 528</a> is adopted, a lot of that information can be seamlessly extracted from a crashed JVM's core dump, allowing easy post-mortem analysis.</em></p>

2026/4/4
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"Java Carrier Classes & Discussing Syntax" [AtA]

<p>Carrier classes are Project Amber's current idea to extend some of records' benefits to regular classes. Probably the most important among them is deconstruction, which would allow classes to participate in pattern matching and reconstruction. In recent weeks, there have been two mails to the Amber mailing list that describe that idea, and in this episode we discuss them both as well as the evolution between them. We also hear why syntax discussions often provide negative value and get a sneak peak at what will likely be the next Project Amber language feature.</p> <p>Just ahead of the JavaOne speakers dinner, Nicolai Parlog sits down with Brian Goetz, Java Language Architect in Oracle's Java Platform Group, for this "Ask the Architect" episode of the Inside Java Podcast.</p>

2026/3/26
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"Unboxing Java 26 for Developers" [IJN]

<p>Java 26 is getting all packaged up to be shipped worldwide! As with every release of the JDK there are a number of new features, improvements, changes in behavior, and more developers should be aware of before upgrading. In this episode of the Inside Java Newscast we will review all the noteworthy changes coming in Java 26 that will impact developers.</p>

2026/3/12
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"Towards Better Checked Exceptions" [IJN]

<p>Java's checked exceptions are both an integral part of the language and one of its most contested features. Whether their introduction was a mistake and whether they should all be turned unchecked are frequently discussed topics but since the former is not overly relevant and the latter unlikely, this conversation isn't moving Java forward. Instead, let's talk about specific issues with checked exceptions and what could be done about them - from (entirely speculative) language changes to (marginally realistic) JDK/library evolution to stylistic changes.</p>

2026/3/9
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"LazyConstants in JDK 26" [IJN]

<p>Lazily initializing fields in Java is error-prone and undermines constant-folding. JDK 26 comes with JEP 526, which previews <code class= "highlighter-rouge language-plaintext">LazyConstant</code>, a type that lazily initializes a value through a given <code class= "highlighter-rouge language-plaintext">Supplier</code>. It executes that supplier at most once successfully and then assigns the value to a field annotated with <code class= "highlighter-rouge language-plaintext">@Stable</code>, which allows constant folding. This API is also a poster child for how OpenJDK develops and evolves features.</p>

2026/3/6
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"HTTP/3 in Java" [ATA]

<p>HTTP/3 is the next version of the internet's most important application layer protocol. But, somewhat surprisingly, it uses UDP (via the new QUIC protocol) instead of TCP/IP, which has implications for the number of initial round trips, HTTP version selection, and time to first byte, but also adoption and evolution. Java 26 supports HTTP/3 out of the box.</p> <p>Nicolai Parlog talks to Daniel Fuchs and Daniel Jelinski, both Consulting Members of Technical Staff at Oracle and OpenJDK committers, about Java's HTTP client. They start by briefly retracing its introduction in Java 11 and its support for HTTP/2 before diving deeper into HTTP/3 to learn about the motivation, technical underpinnings like the QUIC protocol, and challenges for its adoption before discussing its integration into Java 26</p> <p>Note: Sorry for the minor audio issues, thank you for your understanding.</p>

2026/2/26
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"Carrier Classes" [IJN]

<p>This episode presents Project Amber lead Brian Goetz's recent email "Data Oriented Programming, Beyond Records", wherein he describes plans to improve Java's data handling capabilities by introducing carrier classes, a generalization of records. Like them, carrier classes describe their state through a component list that defines the type's external API: accessors, a constructor, and matching deconstructor - this allows carrier classes to participate in pattern matching and reconstruction. Unlike records, the implementation of this API remains the developer's task although component fields offer a shortcut for the common case where the API does map to a field. Carrier classes don't have to be final (and can hence participate in inheritance) and neither do their fields (so they can be mutable data carriers).<br /> <br /> The email also mentions carrier interfaces, allowing records to be abstract as well as a relaxation of deconstruction patterns that make them more amenable to evolution of the matched type. This episode also briefly touches on Gavin Bierman's mail to the Project Amber mailing list that announces pattern assignments and constant patterns.</p>

2026/2/23
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"Java's Plans for 2026" [IJN]

<p>In 2026, Java keeps evolving: Project Valhalla is gunning for merging its value types preview in the second half of this year; Babylon wants to incubate code reflection; Loom will probably finalize the structured concurrency API; Leyden plans to ship AOT code compilation; and Amber hopes to present JEPs on constant patterns and pattern assignments. And those are just the most progressed features - more are in the pipeline and discussed in this episode of the Inside Java Newscast.</p>

2026/2/19
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The New Inside Java Podcast

<p>Welcome to the <em>new</em> Inside Java Podcast. In this meta episode, Nicolai Parlog introduces you to the podcast's new structure with two shows under one umbrella: The long-form conversations you know become <em>Ask the Architects</em> episodes and they'll be accompanied by the <em>Inside Java Newscast</em> as a podcast.</p>

2026/2/13
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"Scripting Java, Collections & Generics, BeJUG"

<p>In this special episode of the Inside Java Podcast, Nicolai Parlog talks to Adam Bien about scripting with Java, to Maurice Naftalin about the history and tradeoffs of the collections framework and erasure, and to Tom Cools about the innovative way the Belgian Java User Group organizes itself.</p>

2026/1/28
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"Predictability or Innovation? Both!" with Georges Saab

<p>This Inside Java Podcast takes a meta approach. Instead of focusing on specific features, it explores the bigger picture: What are the right problems for Java to tackle? What are the current and future challenges for the Java platform? Why is predictability so important for Java, and what's driving the recent focus on learners and students?</p> <p>Nicolai Parlog discusses these topics with Georges Saab, Senior Vice President of the Java Platform Group and Chair of the OpenJDK Governing Board.</p>

2025/12/22
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"From Sumatra to Panama, from Babylon to Valhalla" with John Rose

<p>Java's development embraces the past as well as the future and after contributing to it for over 30 years, John Rose is intimately familiar with the process. In this episode he talks about feature design, the right amount of technical debt (which isn't actually zero), why Rice's theorem demands a mix of static and dynamic checks, how Project Sumatra eventually birthed Panama and Babylon, and more.</p> <p>In this episode, Nicolai interviews John Rose, Senior Architect of the Java Virtual Machine, who brings over 30 years of experience advancing the Java platform.</p>

2025/12/2
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"From Cowboy Mode to Careful Stewardship" with Mark Reinhold

<p>Java is a 30-year success story, made possible because its development consistently aligned with users' needs. In its early days, the platform required new features quickly, but over time, minimizing code breakage while carefully evolving the platform became essential. Critical junctures along that path included the introduction of modules and the current strive toward integrity by default.</p> <p>Nicolai Parlog talks to Mark Reinhold, Chief Architect of the Java Platform, who brings nearly three decades of experience shaping Java's evolution.</p>

2025/10/24
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"Amber & Valhalla - Incremental Design and Feature Arcs" with Brian Goetz

<p>OpenJDK projects such as Amber and Valhalla are renowned for their careful and methodical approach to designing and introducing new features to the Java platform.</p> <p>In this episode, Nicolai Parlog is joined by Brian Goetz, Java Language Architect at Oracle and lead of both Project Amber and Project Valhalla. Brian shares insights and updates on these influential initiatives as they discuss Amber's upcoming feature arc, Valhalla's plans for null-restriction, and more.</p>

2025/9/24
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"Deprecations & Removals" with Stuart Marks

<p>Java is not just adding features, it's also removing old ones that became obsolete and are either a maintenance burden, performance drag, or hazardous to use. In this episode we touch on 32bit ports, applets, finalization, and the security manager.</p> <p>Nicolai Parlog talks to Stuart Marks, who works in the JDK Core Libraries group at Oracle. Right now, he's dressed in a lab coat and wears a stethoscope because he embodies his alter ego Dr. Deprecator.</p> <p><a href="https://inside.java/u/NicolaiParlog/">Nicolai Parlog</a> talks to <a href= "https://inside.java/u/StuartMarks/">Stuart Marks</a>, who works in the JDK Core Libraries group at Oracle. Right now, he's dressed in a lab coat and wears a stethoscope because he embodies his alter ego Dr. Deprecator.</p>

2025/7/28
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"Integrity by Default" with Ron Pressler

<p>The Java runtime offers a host of guarantees like memory safety, type safety, encapsulation, and many more. What makes these aspirations actual guarantees is a property called "integrity". But there are a few mechanisms in Java that allow undermining integrity - some for good, some for less good reasons. Integrity by default states that all such operations need to be disabled by default. Today we discuss why that is so important, what the progress toward this goal has been, and what Java developers need to know to keep their applications going.</p> <p><a href="https://inside.java/u/NicolaiParlog/">Nicolai Parlog</a> talks to <a href= "https://inside.java/u/RonPressler/">Ron Pressler</a>, who is Java Architect at Oracle and, among other things, lead of Project Loom.</p>

2025/6/23
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"Efficient Initialization Using Stable Values" with Per Minborg

<p>The Stable Values API is a preview feature in Java 25 that allows developers to define immutable objects that are initialized at most once. It combines the flexibility of lazy initialization with the performance advantages of final fields.</p> <p>In this episode, Ana hosts Per Minborg, a member of the Java Core Library team at Oracle and co-author of JEP 502 on Stable Values. Per explains the concept behind Stable Values and how this approach addresses the drawbacks of eager initialization in Java. By deferring the creation of expensive resources until they are actually needed, Stable Values contribute to more efficient application startup. He also discusses the design process and specifics of the API, highlighting its benefits in multi-threaded environments—particularly its ability to ensure thread-safe, at-most-once initialization without the need for complex synchronization mechanisms.</p>

2025/6/9
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"Ahead of Time Computation" with Dan Heidinga

<p>OpenJDK's Project Leyden aims to improve the startup and warmup time of Java applications, for now by shifting computation from those phases to the applications' build time. Java 24 ships with ahead-of-time class loading and linking, which is the first step in that direction. In this episode, we learn about that as well as about Leyden's approach to reach its goals and some features that are available in its early access build plus some that aren't.</p> <p>Nicolai Parlog discusses with Dan Heidinga, who is JVM Runtime Architect at Oracle and, among other things, member of projects Leyden and Valhalla.</p>

2025/5/16
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"Stream Gatherers" with Viktor Klang

<p>In this episode, Ana is joined by Viktor Klang, core JDK architect and author of the Stream Gatherers JDK Enhancement Proposal, to dive into one of the standout features of JDK 24: the Gatherers API.</p> <p>Viktor explains how Gatherers extend the Java Stream API with custom intermediate operations, why they were added to the platform, and how they can enhance your day-to-day Java development. He also shares practical tips for using the Gatherers API effectively, along with insights into the design process and how community feedback plays a crucial role in shaping future JDK features.</p>

2025/5/4
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"Doc, JavaDoc and Markdown" with Jonathan Gibbons

<p>Java leads by example regarding documentation: JavaDoc inspires trust in developers through its transparency on each Java API functionality, and the javadoc tool helps developers generate equally great documentation for their APIs and libraries.</p> <p>In this episode, Ana hosts Jonathan Gibbons, core contributor and maintainer of JDK tools, to discuss JavaDoc/javadoc developments, focusing on markdown in JavaDoc documentation comments. Given the importance of having code that is as easy to understand as it is functional, Jonathan dives into significant changes in Java's documentation component and associated tools, how JavaDoc is maintained, code documentation practices, and more.</p>

2025/1/21
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"Inside Java Weekly: JDK 24 and More" with Chad

<p>In this shorter-format pod, Chad talks about JDK 24, preview features, and more.</p> <p> </p> <p><strong>Show Notes</strong></p> <p><a href="https://openjdk.org/jeps/11">JEP 11: Incubator Modules</a><br /> https://openjdk.org/jeps/11</p> <p><a href="https://openjdk.org/jeps/12">JEP 12: Preview Features</a><br /> https://openjdk.org/jeps/12</p> <p><a href= "https://dev.java/learn/new-features/using-preview/">Using the Preview Features Available in the JDK</a><br /> https://dev.java/learn/new-features/using-preview/</p> <p><a href="https://openjdk.org/jeps/483">JEP 483: Ahead-of-time Compilation</a><br /> https://openjdk.org/jeps/483</p> <p><a href="https://openjdk.org/jeps/485">JEP 485: Stream Gatherers</a><br /> https://openjdk.org/jeps/485</p> <p><a href="https://openjdk.org/jeps/491">JEP 491: Synchronize Virtual Threads without Pinning</a><br /> https://openjdk.org/jeps/491</p> <p><a href="https://openjdk.org/jeps/494">JEP 494: Module Import Declarations (Second Preview)</a><br /> https://openjdk.org/jeps/494</p> <p><a href="https://openjdk.org/jeps/495">JEP 495: Simple Source Files and Instance Main Methods (Fourth Preview)</a><br /> https://openjdk.org/jeps/495</p> <p><a href="https://dev.java/learn/ffm/">The Foreign Function and Memory API</a><br /> https://dev.java/learn/ffm/</p> <p> </p>

2024/12/20
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"The Panama Effect" with Jorn Vernee

<p>The Foreign Function and Memory API will be finalised in JDK 22. This API helps you integrate native code within your Java program. </p> <p>Using this new API you can efficiently invoke code outside the JVM, safely access memory not managed by the JVM, call native libraries and process native data without the brittleness and danger of JNI.</p> <p>Jorn Vernee, core contributor and maintainer of the FFM API, is Ana's guest during this episode. Jorn explains what is the Foreign Memory Access API, its goals and the iterations that this API went through. Jorn also shares a few examples of Java libraries that already adopted the FFM API, the performance improvements they observed. He also explains how you can use this new API to integrate a native library within your own Java code.</p>

2024/1/8
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"Sequenced Collections" with Stuart Marks

<p>Sequenced Collections, targeted for JDK 21, are a new collection type created to represent a sequence of elements with a defined encounter order.</p> <p>Ana recorded this episode with Stuart Marks, the owner of JEP 431 about Sequenced Collections. Stuart discusses the essence of Sequenced Collection interfaces, what needs those address and how they fit within the existing Collections framework. He explains the design of Sequenced Collections, architectural decisions and particularities of the API. He also shares his view on how Sequenced Collections can inspire future Java platform developments.</p>

2023/4/25
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"Preview Features: A Look Back and A Look Ahead" with Alex Buckley

<p>Preview Features have been essential to the delivery of Java for the past 5 years, and Java 20 is no exception with second previews of both Virtual Threads and the Foreign Function & Memory API.</p> <p>Chad discussing the importance of Preview Features with Alex Buckley, as well as an Informational JEP that added some further clarification for Preview Features with large surface areas.</p> <p>Some show notes:</p> <p>JDK 20 is out today: <a href= "https://openjdk.org/projects/jdk/20/">https://openjdk.org/projects/jdk/20/</a></p> <p>JEP 12: Preview Features <a href= "https://openjdk.org/jeps/12">https://openjdk.org/jeps/12</a></p> <p>A look ahead: <a href= "https://openjdk.org/jeps/8300604">https://openjdk.org/jeps/8300604</a></p> <p> </p>

2023/3/21
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"Helidon Níma & Virtual Threads"

<p>Helidon Níma is the first Java microservices framework built from the ground up on virtual threads.</p> <p>David recorded this episode with Tomas Langer, the Helidon architect. Tomas discusses virtual threads from a framework developer point of view. He explains Níma, its architecture and how virtual threads fit in. He also shares his views on virtual threads and some behind the scenes details and how it all started.</p>

2023/1/12
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"Java Language - State of the Union"

<p>In this episode, David discusses with Gavin Bierman, the latest evolution in the Java Language. In addition to being a regular guest on this podcast, Gavin spends most of his time on designing new Java language features.</p> <p>They are chatting about Project Amber's latest features related to Pattern Matching but also the String Template feature currently in draft. Through this discussion, you will also hear about some of the tools (ex. Preview Features) but also the challenges related to the design of new Java Language features.</p>

2022/12/23
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"JavaFX"

<p>During JavaOne, David sat down with Kevin Rushforth (OpenJFX Project Co-Lead, Oracle) to discuss the JavaFX, OpenJFX and the new JavaFX builds that Oracle is now producing.</p>

2022/11/18
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"Java 19 is Here!"

<p>In this two-part episode, Chad interviews Ron Pressler, architect and lead for Project Loom, on Virtual Threads and Structured Concurrency, followed by Brian Goetz, Chief Language Architect, on Record Patterns and the arc of features in Project Amber leading to data-oriented programming.</p> <p>Show notes:</p> <ul> <li><a href="https://openjdk.org/projects/jdk/19/">JDK 19</a></li> <li><a href="https://openjdk.org/jeps/425">JEP 425 Virtual Threads</a></li> <li><a href="https://openjdk.org/jeps/428">JEP 429 Structured Concurrency</a></li> <li><a href="https://github.com/ebarlas/game-of-life-csp">Game of Life by Elliot Barlas</a></li> <li><a href="https://github.com/ebarlas/project-loom-c5m">Project Loom C5M</a></li> </ul> <p> </p>

2022/9/20
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"JavaOne is Back!"

<p>Chad interviews Sharat Chander about both the history of JavaOne, and what to expect with the return of it in October.<br /> <br /> Show notes:</p> <p><a href="https://inside.java/javaone/">Update blog series on Inside.java</a></p> <p><a href="https://www.oracle.com/cloudworld/javaone/">Register Now to get Early Pricing</a></p> <p> </p>

2022/8/3
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"Towards Generational ZGC"

<p>In this episode, David talks with Erik Österlund about the work he did on the Z Garbage Collector, and the plans to make ZGC a Generational GC. Amongst other things, Erik shares some details on the underlying techniques, and the expected benefits.</p>

2022/6/28
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"Java 18 is Here!"

<p>In this special episode Chad talks with Naoto Sato on JEP 400, UTF-8 by Default, and Michel Trudeau on JEP 413, Code Snippets in Java API Documentation.</p> <p>To round things out, we also pulled in highlights from podcast episodes 21 and 22 to provide an overview of JEP 408, Simple Web Server, and JEP 421, Deprecate Finalization for Removal.</p> <p>Check out Java 18 today at Dev.java!</p> <p> </p>

2022/3/22
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"The Simple Web Server"

<p>David remotely sat down with Julia Boes, Senior Member of Technical Staff in Dublin, to discuss the Simple Web Server (SWS). The SWS, introduced in JDK 18, is a minimal web server that serves static files. It comes with a command-line tool and an API. In this episode, Julia explains why another web server might be useful. She explains its goals, its features, who it is for but also what it is not!. She then goes over the command-line tool, its API, etc.</p>

2022/3/4
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"JEP 421 and Finalization Deprecation"

<p>In this episode, David remotely sat down with Brent Christian to discuss Finalization and the effort to gradually deprecate this now outdated, brittle, and complex mechanism from the platform. After covering some of the finalization weaknesses, Brent discusses the alternatives to properly deal with resources, i.e. try with resources and the Cleaner API. He then continues with JEP 421 which will be part of JDK 18 and some potential subsequent steps.</p>

2022/1/12
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"Java 17 is Here!" Part 2

<p>To celebrate the Java 17 release, we have not one but two podcast episodes! In this second part, Chad discusses the evolution of the Java language with Brian Goetz, the Java Language Architect. Chad then concludes this special Java 17 episode with Stuart Marks, aka Dr. Deprecator, on the importance of deprecation!</p>

2021/9/27
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"Java 17 is Here!" Part 1

<p>To celebrate the launch of Java 17 we have not one but two podcast episodes! In this first part, Chad discusses some exiting license changes with Donald Smith, i.e. the Free Java License. Chad then continues the discussion on Project Panama and the Vector API with Paul Sandoz.</p> <p>Make sure to also listen to the upcoming Part 2 where Chad discusses with Brian Goetz and Dr. Deprecator aka Stuart Marks!</p>

2021/9/14
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"Java's steady march towards strong encapsulation" with Alan Bateman

<p>With JEP 403, Java 17 will strongly encapsulate the JDK internals. This is the latest step in a process that began in Java 9 with the modularization of the JDK. In this episode, Alan Bateman joins Chad to discuss the importance of strong encapsulation, the history, how this will affect your applications today, and what to do in order to prepare for it.</p>

2021/6/29
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"Pattern Matching" with Gavin Bierman

<p>In this episode, David discusses with Gavin Bierman a new set of Java language features coming from Project Amber, i.e. Pattern Matching. In addition to `sealed classes` and `pattern matching for instanceof`, they are covering in great detail a new (and great!) JDK 17 preview feature: `pattern matching for switch`.</p>

2021/6/14
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"Let's discuss JDK and Networking" with Michael McMahon and Daniel Fuchs

<p>In this episode, David (remotely) sat down with Michael McMahon and Daniel Fuchs both from the Java Dublin engineering team to discuss some of the recent JDK network-related updates: from the HTTP/2 Client API (Java 11) and its updates in Java 16 to the new Java 16 Unix Domain Socket Channel API. There's even a small HTTP/3 sneak peek.</p>

2021/4/12
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"Java 16 is Here!" with Mikael Vidstedt

<p>The release of Java 16 was a good reason to invite Mikael Vidstedt, Director of JVM Engineering, again into the show. In this episode, Chad and Mikael discuss some of the new JDK 16 features, the 6 months release cadence but also how some Valhalla initial bits are starting to gradually appear into the platform, and more!</p> <p>For the detailed show-notes, make sure to check-out the episode page at https://inside.java/2021/03/16/podcast-015</p> <p>And for more episodes, please visit https://inside.java/podcast</p>

2021/3/16
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"Records Serialization" with Julia Boes and Chris Hegarty

<p>Records are a standard and permanent Java language feature starting Java 16. This was a good occasion for David to discuss Records, and more specifically Records serialisa… Records serialization with Julia Boes and Chris Hegarty. Julia and Chris are both from the Dublin Java engineering team. They both work on Core Libraries, and as such, they have been deeply involved in the recent serialization improvements. In this episode, you will see that the approach of serializing records drastically changes from the serialization of traditional classes.</p> <p>PS: Deserialization is largely discussed too!</p>

2021/3/8
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"JDK Flight Recorder" with Markus Grönlund

<p>Chad discusses JDK Flight Recorder (JFR) with Markus Grönlund. Learn all about JFR including how to get started, the problems it addresses, the many event types it outputs, the new streaming capabilities, and more!</p> <p><strong>Links Mentioned</strong></p> <p>JDK11 - Introduction to JDK Flight Recorder<br /> <a href= "https://www.youtube.com/watch?v=7z_R2Aq-Fl8">https://www.youtube.com/watch?v=7z_R2Aq-Fl8</a></p> <p>JEP 328: Flight Recorder<br /> <a href= "https://openjdk.java.net/jeps/328">https://openjdk.java.net/jeps/328</a></p> <p>Continuous Monitoring with JDK Flight Recorder<br /> <a href= "https://www.youtube.com/watch?v=plYESjZ12hM">https://www.youtube.com/watch?v=plYESjZ12hM</a></p> <p> </p>

2021/2/22
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"jpackage" with Kevin Rushforth

<p>David Delabassée recently sat down with Kevin Rushforth to discuss the Packaging Tool (JEP 392) more commonly known as jpackage, a new tool that will be made production-ready in JDK 16…</p>

2021/2/11
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"How to contribute to OpenJDK" with Stuart Marks and Jesper Wilhelmsson

<p><a href="https://inside.java/u/DavidDelabassee/">David Delabassée</a> recently sat down with <a href= "https://inside.java/u/StuartMarks/">Stuart Marks</a> and <a href= "https://inside.java/u/JesperWilhelmsson/">Jesper Wilhelmsson</a> to discuss various ways of contributing to OpenJDK. Spoiler alert: there are many!</p>

2021/1/30
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"Project Panama - The Foreign Linker API" with Maurizio Cimadamore and Jorn Vernee

<p>David Delabassee continues the Panama discussion (cf. Episode 9) with Maurizio Cimadamore and Jorn Vernee. This episode focuses on the Foreign Linker API and the jextract tool.</p>

2020/12/21
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"Project Panama - The Foreign Memory Access API" with Maurizio Cimadamore and Jorn Vernee

<p>In this episode, David Delabassee discusses Project Panama's Foreign Support with Maurizio Cimadamore and Jorn Vernee. The episode starts with an overview of Project Panama, its Foreign Support and then discusses in detail the Foreign Memory Access API.</p> <p>Panama's Foreign Linker API will be discussed in a follow-up episode.</p>

2020/12/11
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"Project Loom" with Ron Pressler

<p>Chad Arimura discusses Project Loom with Ron Pressler.</p> <p>Relevant links:</p> <ul> <li><a href= "https://wiki.openjdk.java.net/display/loom/Main">https://wiki.openjdk.java.net/display/loom/Main</a></li> <li><a href= "https://inside.java/tag/loom">https://inside.java/tag/loom</a></li> <li><a href= "https://github.com/openjdk">https://github.com/openjdk/loom</a></li> </ul> <p>For all episodes and more, check out <a href= "https://inside.java/podcast">Inside Java</a> and follow <a href= "twitter.com/java">@java</a> on Twitter.</p> <p>Episodes are now available on <a href= "https://www.youtube.com/playlist?list=PLX8CzqL3ArzV_hXbRevwzrXSMcGNzhxiZ"> YouTube</a> as well.</p>

2020/11/24
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"The Vector API" with John Rose and Paul Sandoz

<p>In this episode, David Delabassee discusses the new Vector API with John Rose and Paul Sandoz.</p> <p>For more episodes, check out <a href= "https://inside.java/podcast">https://inside.java/podcast</a>.</p> <p><strong>Resources:</strong></p> <ul> <li><a href="https://openjdk.java.net/jeps/338">JEP 338: Vector API (Incubator)</a></li> <li><a href= "https://download.java.net/java/early_access/jdk16/docs/api/jdk.incubator.vector/jdk/incubator/vector/package-summary.html"> jdk.incubator.vector Javadoc</a></li> <li><a href="https://jdk.java.net/16/">OpenJDK 16 EA Builds</a></li> <li><a href= "https://lemire.me/blog/2020/10/20/ridiculously-fast-unicode-utf-8-validation/"> Daniel Lemire's blog</a><br /> <br /></li> </ul>

2020/11/17
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"Project Skara" with Joe Darcy and Erik Duveblad

<p><a href="https://twitter.com/chadarimura/">Chad Arimura</a> discusses <a href= "https://wiki.openjdk.java.net/display/SKARA">Project Skara</a> with Joe Darcy and Erik Duveblad.</p> <p>Relevant Links:</p> <ul> <li><a href= "https://github.com/openjdk">https://github.com/openjdk</a></li> <li><a href= "https://github.com/openjdk/jdk">https://github.com/openjdk/jdk</a></li> <li><a href= "https://inside.java/tag/skara">https://inside.java/tag/skara</a></li> <li><a href= "https://githubuniverse.com/Project-Skara-migrating-OpenJDK-to-Git-&-GitHub/"> https://githubuniverse.com/Project-Skara-migrating-OpenJDK-to-Git-&-GitHub/</a></li> </ul> <p>For all episodes and more, check out <a href= "https://inside.java">Inside Java</a> and follow @java on Twitter.</p> <p> </p>

2020/10/28
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"The Z Garbage Collector" with Per Liden

<p>In this episode, <a href= "https://inside.java/u/DavidDelabassee/">David Delabassee</a> (Developer Relations) discusses with <a href= "https://inside.java/u/PerLiden/">Per Liden</a> (ZGC Lead) the Z Garbage Collector that is now production ready in JDK 15.</p>

2020/10/14
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"Record Classes" with Gavin Bierman

<p>In this episode, <a href= "https://inside.java/u/DavidDelabassee/">David Delabassee</a> (Developer Relations) discusses with <a href= "https://inside.java/u/GavinBierman/">Gavin Bierman</a> (Consulting Member of Technical Staff) a new Java Language feature emerging from Project Amber, i.e. Records classes!</p> <p>For more episodes, check out <a href= "https://inside.java/podcast">Inside Java</a> and follow <a href="https://twitter.com/java">@Java</a> on Twitter.</p> <p>Contact us <a href="https://twitter.com/java">here</a>.</p>

2020/10/5
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"The State of Java" with Georges Saab

<p>Our guest today is <a href= "https://inside.java/u/GeorgesSaab/">Georges Saab</a> (<a href= "https://twitter.com/gsaab">@gsaab</a>), Vice President of Development of the Java Platform Group.</p> <p>We discuss the State of Java after 25 years, the latest innovations in OpenJDK, and why his name is spelled differently.</p> <p>Our host is <a href="https://inside.java/u/ChadArimura/">Chad Arimura</a> (<a href= "https://twitter.com/chadarimura">@chadarimura</a>), VP of Java Developer Relations.</p> <p>For future episodes and more, make sure to check out <a href= "https://inside.java">Inside Java</a> and follow <a href= "https://twitter.com/java">@java</a> on Twitter.<br /> <br /> <strong><br /> Additional Resources</strong></p> <ul> <li><a href="https://openjdk.java.net">OpenJDK</a></li> <li><a href="https://www.oracle.com/java/">Oracle Java</a></li> </ul> <p> </p>

2020/9/14
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"Java 15 is Here!" with Mikael Vidstedt

<p><a href="https://inside.java/u/DavidDelabassee/">David Delabassee</a> (<a href= "https://twitter.com/delabassee">@delabassee</a>) discusses the latest Java release, <a href= "https://openjdk.java.net/projects/jdk/15/">Java 15</a>, with <a href="https://inside.java/u/MikaelVidstedt/">Mikael Vidstedt</a> (<a href="https://twitter.com/MikaelVidstedt">@MikaelVidstedt</a>), Director of JVM Development.</p> <p>For future episodes and more, check out <a href= "https://inside.java">Inside Java</a> and follow <a href= "https://twitter.com/java">@java</a> on Twitter.</p> <p> </p> <p><span style="font-size: 14pt;"><strong>Covered in This Episode</strong></span><br /> <br /> <strong>New or updated Java language feature, Java SE API feature and JDK API</strong></p> <ul> <li><a href="https://openjdk.java.net/jeps/360">Sealed Classes (Preview)</a></li> <li><a href="https://openjdk.java.net/jeps/371">Hidden Classes</a></li> <li><a href="https://openjdk.java.net/jeps/373">Reimplement the Legacy DatagramSocket API</a></li> <li><a href="https://openjdk.java.net/jeps/378">Text Blocks</a></li> <li><a href="https://openjdk.java.net/jeps/383">Foreign-Memory Access API (Second Incubator)</a></li> <li><a href="https://openjdk.java.net/jeps/384">Records (Second Preview)</a></li> <li><a href="https://openjdk.java.net/jeps/375">Pattern Matching for instanceof (Second Preview)</a></li> </ul> <p><strong>Garbage Collectors</strong></p> <ul> <li><a href="https://openjdk.java.net/jeps/377">ZGC: A Scalable Low-Latency Garbage Collector</a></li> <li><a href="https://openjdk.java.net/jeps/379">Shenandoah: A Low-Pause-Time Garbage Collector</a></li> <li><a href= "https://kstefanj.github.io/2020/04/16/g1-ootb-performance.html">Improving G1 out-of-the-box performance</a></li> </ul> <p><strong>Deprecation & Removal</strong></p> <ul> <li><a href="https://openjdk.java.net/jeps/381">Remove the Solaris and SPARC Ports</a></li> <li><a href="https://openjdk.java.net/jeps/372">Remove the Nashorn JavaScript Engine</a></li> </ul> <p><strong>Security</strong></p> <ul> <li><a href="https://openjdk.java.net/jeps/339">Edwards-Curve Digital Signature Algorithm (EdDSA)</a></li> <li><a href= "https://bugs.openjdk.java.net/browse/JDK-8206925">Support for certificate_authorities Extension</a></li> </ul> <p><strong>Other Features (JDK 14 & JDK 15)</strong></p> <ul> <li><a href= "https://bugs.openjdk.java.net/browse/JDK-8230305">Cgroups v2: Container awareness</a></li> <li><a href="https://openjdk.java.net/jeps/349">JFR Event Streaming</a></li> </ul> <p> </p> <p><span style="font-size: 14pt;"><strong>OpenJDK Projects Discussed in this Episode</strong></span></p> <ul> <li><a href="https://inside.java/tag/loom">Project Loom</a></li> <li><a href="https://inside.java/tag/panama">Project Panama</a></li> <li><a href="https://inside.java/tag/amber">Project Amber</a></li> <li><a href="https://inside.java/tag/valhalla">Project Valhalla</a></li> </ul> <p> </p> <p><span style="font-size: 14pt;"><strong>Additional Resources</strong></span></p> <ul> <li><a href="https://openjdk.java.net">OpenJDK</a></li> <li><a href="https://www.oracle.com/java/">Oracle Java</a></li> </ul> <p> </p>

2020/9/8
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"Welcome to Inside Java!" with hosts Chad and David

<p>Welcome to the Inside Java podcast. In Episode #1 (we couldn't start at 0), the hosts <a href= "https://inside.java/u/ChadArimura/">Chad Arimura</a> (VP Developer Relations) and <a href= "https://inside.java/u/DavidDelabassee/">David Delabassee</a> (Developer Relations) introduce the Java Platform Group at Oracle, major innovation projects in OpenJDK, the Inside.java aggregation site, and this podcast.<br /> <br /> Both Chad and David can be found on Twitter: <a href= "https://twitter.com/chadarimura">@chadarimura</a>, <a href= "https://twitter.com/delabassee">@delabassee</a>.<br /> <br /></p> <p>For future episodes and more, make sure to check out <a href= "https://inside.java">Inside Java</a> and follow <a href= "https://twitter.com/java">@java</a> on Twitter.</p> <p><strong>Mentioned links from episode</strong></p> <ul> <li><a href="https://inside.java/2018/08/01/whoisincharge/">The Future of the Java Platform and the JDK: Who is in Charge?</a></li> <li><a href= "https://inside.java/2019/02/14/video-changeonlyconstant/">Modern Java - Change is the Only Constant</a></li> <li><a href= "https://inside.java/2017/11/09/devoxxmovingjavaforward/">Moving Java Forward Faster</a></li> <li><a href= "https://inside.java/2014/11/22/stewardship/">Stewardship: the Sobering Parts</a></li> <li><a href= "https://inside.java/2014/07/31/evolving-the-jvm/">Evolving the JVM - Principles & Directions</a></li> </ul> <p><strong>OpenJDK projects discussed in this episode</strong></p> <ul> <li><a href= "https://wiki.openjdk.java.net/display/zgc/Main">ZGC</a></li> <li><a href="https://inside.java/tag/amber">Project Amber</a></li> <li><a href="https://inside.java/tag/valhalla">Project Valhalla</a></li> <li><a href="https://inside.java/tag/panama">Project Panama</a></li> <li><a href="https://inside.java/tag/loom">Project Loom</a></li> </ul> <p><strong>Additional resources</strong></p> <ul> <li><a href="https://openjdk.java.net">OpenJDK</a></li> <li><a href="https://www.oracle.com/java/">Oracle Java</a></li> </ul> <p><br /> Contact us <a href="https://inside.java/about/">here</a>.</p>

2020/9/1
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