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Brian Goetz - Java Language Architect
Brian Goetz is the Java Language Architect at Oracle and was the specification lead for JSR-335 (Lambda Expressions for the Java Programming Language). He is the author of Java Concurrency in Practice and over 75 articles about Java development.
Posts
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Data Oriented Programming, Beyond Records
on February 27, 2026Amber
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Data-Oriented Programming for Java: Beyond Records
on January 27, 2026Amber
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JEP targeted to JDK 24: 484: Class-File API
on October 22, 2024JDK 24Core Libraries
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JEP 14: The Tip & Tail Model of Library Development
on October 5, 2024
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JEP targeted to JDK 23: 466: Class-File API (Second Preview)
on March 28, 2024JDK 23Core Libraries
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Uniform handling of failure in switch
on December 15, 2023AmberJava Language
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JEP targeted to JDK 22: 457: Class-File API (Preview)
on November 30, 2023JDK 22Core Libraries
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New candidate JEP: 457: Class-File API (Preview)
on September 28, 2023Core Libraries
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Project Leyden: Toward Condensers
on July 31, 2023Leyden
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Design Document on Nullability and Value Types
on June 2, 2023Valhalla
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Patterns: Exhaustiveness, Unconditionality, and Remainder
on May 26, 2023AmberJava Language
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Deconstruction Patterns
on March 6, 2023Amber
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Paving the on-ramp
on September 29, 2022AmberJava Language
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Virtual Threads: New Foundations for High-Scale Java Applications
on September 23, 2022JDK 19Loom
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How many subclasses can be declared for a sealed class?
on July 18, 2022Amber
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Data-Oriented Programming in Java
on June 20, 2022Amber
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State of Valhalla
on December 27, 2021Valhalla
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What are they building—and why? 6 questions for the top Java architects
on August 6, 2021
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Minor improvement to anonymous classes
on August 1, 2021Amber
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Rehabilitating switch -- a scorecard
on May 17, 2021Amber
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Switch labels (null again), some tweaking
on April 23, 2021Amber
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State of Valhalla, Section 3: JVM Model
on April 21, 2021HotSpotValhalla
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Looking ahead: pattern assignment
on March 23, 2021Amber
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Guards
on March 5, 2021Amber
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Primitive type patterns and conversions
on March 1, 2021Amber
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Java Feature Spotlight: Pattern Matching
on January 22, 2021JDK 16AmberJava Language
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Interview with Brian Goetz
on January 19, 2021Java Language
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Pattern features for next iteration
on January 19, 2021AmberJava Language
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[pattern-switch] Guards
on January 8, 2021AmberJava Language
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Pattern Matching in the Java Object Model
on January 6, 2021AmberJava Language
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Array patterns (and varargs patterns)
on January 5, 2021AmberJava Language
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Relaxed assignment conversions for sealed types
on October 9, 2020Amber
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'Type patterns in switch' document updated
on September 8, 2020Amber
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Finalizing in JDK 16 - Pattern matching for instanceof
on August 26, 2020JDK 16Amber
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A peek at the roadmap for pattern matching and more
on August 12, 2020Amber
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Background: how we got the generics we have
on June 24, 2020Java LanguageValhalla
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Next up for patterns: type patterns in switch
on June 24, 2020Amber
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Java Feature Spotlight: Sealed Classes
on June 17, 2020Amber
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Java Feature Spotlight: Text Blocks
on May 1, 2020JDK 15JDK 14JDK 13Amber
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Lombok getter/setter vs. Records
on April 20, 2020JDK 14Amber
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State of Valhalla
on March 1, 2020Valhalla
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Valhalla - Finding the primitives
on February 18, 2020Valhalla
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Java Feature Spotlight: Records
on February 4, 2020JDK 14Amber
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Towards cleaner nesting
on January 7, 2020Amber
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State of Valhalla
on December 12, 2019Valhalla
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Java Feature Spotlight: Local Variable Type Inference
on November 1, 2019Amber
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Local Variable Type Inference FAQ
on August 30, 2019Amber
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Towards Better Serialization
on June 11, 2019Amber
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Data Classes and Sealed Types for Java
on February 28, 2019Amber
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JEP proposed to drop from JDK 12: 326: Raw String Literals (Preview)
on December 11, 2018Amber
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Pattern Matching for Java
on September 7, 2018Amber
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Extending switch for Pattern Matching
on April 1, 2017Amber
Videos
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Growing the Java Language #JVMLS
on August 21, 2025Java Language
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Where Is the Java Language Going?
on April 20, 2025AmberJava LanguageValhalla
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Valhalla - Java's Epic Refactor
on December 16, 2024Valhalla
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Postcards from the Peak of Complexity
on November 3, 2024
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Serialization - A New Hope
on October 13, 2024Core LibrariesSecurity
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Valhalla - Where Are We? #JVMLS
on August 23, 2024Valhalla
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Java Architects Answer Your Questions
on October 26, 2023ClientCore LibrariesLoom
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Brian Goetz Answers Your Java Questions
on October 20, 2023AmberValhalla
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Project Leyden
on October 14, 2023Leyden
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Java 21… and Beyond
on October 14, 2023JDK 21Oracle
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JVMLS - A Classfile API for the JDK
on August 24, 2023Core Libraries
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AMA About the Java Language
on August 2, 2021AmberLoom
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Java Futures with Brian Goetz
on October 23, 2020
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Ask the Java Architects Panel
on September 17, 2020
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Java's 25th Birthday Kickoff Event [Moved by Java]
on May 20, 2020Moved By Java
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Java Language Futures - Late 2019 Edition
on November 9, 2019Amber
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Beyond ByteBuffers
on November 8, 2019Panama
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Ask the Java Architect
on November 7, 2019
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Why We Hate Java Serialization
on November 7, 2019Security
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Java - A Look Ahead
on October 23, 2019
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Java Language Futures - 2019 Edition
on September 18, 2019Amber
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Project Valhalla Update
on July 30, 2019Valhalla
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FP vs OO: Choose Two
on February 18, 2019
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Moving Java Forward Faster
on November 9, 2017
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Adventures in Pattern Matching
on August 2, 2017Amber
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From Concurrent to Parallel
on February 23, 2016
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Move Deliberately and Don't Break Anything
on October 21, 2015
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Java Past, Present, and Future
on December 20, 2014AmberJava Language
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Stewardship: the Sobering Parts
on November 22, 2014
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Evolving the JVM - Principles & Directions
on July 31, 2014
