Java Weekly, Issue 461

1. Spring and Java

>> Pre-Allocated Methods for HashMap and HashSet – Sip of Java [inside.java]

Let’s have a look at how Java 19 factory methods for pre-allocated maps and sets can prevent costly reallocations.

>> JEP 433: Pattern Matching for switch (Fourth Preview) [openjdk.org]

Yet another preview for pattern matching in Java: more expressive, safer when dealing with all possible inputs, and backward compatibility.

>> Introducing Spring Modulith [spring.io]

And a new, experimental project for expressing logical application modules in code to build well-structured, domain-aligned applications.

Also worth reading:

• >> JEP 432: Record Patterns (Second Preview) [openjdk.org]
• >> Father of Java Shares Wisdom Related to IoT at Devoxx: Code on the Edge and Its Hurdles [infoq.com]
• >> Why the Fastest Way of Serializing a Java Field is not Serializing it at All [foojay.io]
• >> Calling Procedures with Default Parameters using JDBC or jOOQ [jooq.org]
• >> What is Jakarta RPC? [payara.fish]

Webinars and presentations:

• >> Inside Java | JavaOne 2022 Technical Keynote [inside.java]
• >> Java First. Java Always. [inside.java]
• >> A Bootiful Podcast: Microsoft’s Asir Selvasingh on Azure Spring Apps, Java at Microsoft, application security, and more [spring.io]
• >> Securing Java Applications in the Age of Log4Shell [infoq.com]
• >> Foojay Podcast #6: Welcome to Foojay! [foojay.io]

Time to upgrade:

• >> Spring Boot 3.0.0-RC1 available now [spring.io]
• >> Spring Boot 2.6.13 and 2.7.5 available now [spring.io]
• >> Spring Framework 6.0.0-RC2 available now [spring.io]
• >> Spring Tools 4.16.1 released [spring.io]
• >> Spring Integration 6.0.0-RC1 Available [spring.io]
• >> Quarkus 2.13.3.Final released [quarkus.io]
• >> GraalVM Community Edition 22.3.0 [github.com/graalvm]
• >> Announcing GraalVM Enterprise 22.3 [oracle.com]
• >> Feature Flags Best Practices [reflectoring.io]
• >> Spring Batch 5.0 RC1 is out! [spring.io]
• >> Apache Camel 3.18.3 [github.com/apache]
• >> Netflix Conductor v3.13.2 released [github.com/Netflix]

2. Technical & Musings

>> Apache Kafka 3.3 Replaces ZooKeeper with the New KRaft Consensus Protocol [infoq.com]

The first Kafka release with a production-ready KRaft implementation: much less ops overhead with better performance. Good stuff.

>> Discuss the problem, not the solution [blog.frankel.ch]

And a good take on why investing more into understanding the problem is more valuable than quickly discussing solutions.

Also worth reading:

• >> Server Side Apply Is Great and You Should Be Using It [kubernetes.io]
• >> Conway’s Law [martinfowler.com]
• >> Building a Distributed Audit Log with YugabyteDB [vladmihalcea.com]
• >> Comprehensive Kubernetes Telemetry with AWS Observability Accelerator [infoq.com]
• >> When Breakpoints Don’t Break [foojay.io]
• >> Panel: Engineering Leadership Lessons for Improving Flow [infoq.com]
• >> Leveling Up in Job Interviews [phauer.com]

3. Comics

>> Approved By A Mean Guy [dilbert.com]

>> Wally Top 10% Employee [dilbert.com]

>> Dilbert Quiet Quits [dilbert.com]

4. Pick of the Week

And a quick guide to exploring 5 critical elements of technical debt:

>>Download: Technical Debt – A Guide for Frustrated Software Architects and CIOs [vfunction.com]

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