S4E27 - Java 25 with Billy Korando | Spring Office Hours

In this episode of Spring Office Hours, Dan Vega and DaShaun Carter host Billy Korando to discuss the features of JDK 25. They delve into preview features like structured concurrency and stable values, and finalized features such as scope values. The conversation covers Project Loom, virtual threads, and Project Leyden, which aims to improve Java's startup time and memory footprint. They also touch on garbage collection improvements and the removal of applet-related classes. The hosts and guest discuss the importance of keeping up with Java updates and the benefits of the six-month release cycle, highlighting resources like dev.java and the Java YouTube channel for developers.

Outlines

Part 1: Introduction and Java Landscape

Part 2: JDK 25 Features and Project Valhalla/Loom

Part 3: Project Leyden and Performance Improvements

Part 4: Java 26 and Resources

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S4E27 - Java 25 with Billy Korando

Spring Office Hours

Part 1: Introduction and Java Landscape

Introduction to Spring Office Hours and Java 25

Introduction of Billy Korando and the Scale of Java

JDK 25 Launch and Community Feedback

Part 2: JDK 25 Features and Project Valhalla/Loom

Preview Features in JDK 25: Structured Concurrency and Stable Values

Project Valhalla and the Abstraction Layer

Project Loom and Scope Values

Part 3: Project Leyden and Performance Improvements

The Future of Structured Concurrency and Project Leyden

Ahead-of-Time Compilation and Project Leyden Features

Comparing Leyden, GraalVM, and Applet Removal

Security Manager Removal and Compact Source Files

Simplifying Java for New Developers and Default Imports

Garbage Collection Improvements and the Importance of Planning for Updates

Part 4: Java 26 and Resources

Preparing for Java 26 and Resources for Java Developers

S4E27 - Java 25 with Billy Korando

Spring Office Hours

Part 1: Introduction and Java Landscape

00:00Introduction to Spring Office Hours and Java 25

Introduction to Spring Office Hours and Java 25

04:15Introduction of Billy Korando and the Scale of Java

Introduction of Billy Korando and the Scale of Java

09:50JDK 25 Launch and Community Feedback

JDK 25 Launch and Community Feedback

Part 2: JDK 25 Features and Project Valhalla/Loom

15:10Preview Features in JDK 25: Structured Concurrency and Stable Values

Preview Features in JDK 25: Structured Concurrency and Stable Values

21:01Project Valhalla and the Abstraction Layer

Project Valhalla and the Abstraction Layer

25:08Project Loom and Scope Values

Project Loom and Scope Values

Part 3: Project Leyden and Performance Improvements

30:16The Future of Structured Concurrency and Project Leyden

The Future of Structured Concurrency and Project Leyden

34:51Ahead-of-Time Compilation and Project Leyden Features

Ahead-of-Time Compilation and Project Leyden Features

40:55Comparing Leyden, GraalVM, and Applet Removal

Comparing Leyden, GraalVM, and Applet Removal

45:53Security Manager Removal and Compact Source Files

Security Manager Removal and Compact Source Files

51:14Simplifying Java for New Developers and Default Imports

Simplifying Java for New Developers and Default Imports

57:22Garbage Collection Improvements and the Importance of Planning for Updates

Garbage Collection Improvements and the Importance of Planning for Updates

Part 4: Java 26 and Resources

1:02:07Preparing for Java 26 and Resources for Java Developers

Preparing for Java 26 and Resources for Java Developers