Java Weekly, Issue 335

1. Spring and Java

>> Apache Arrow and Java: Lightning Speed Big Data Transfer [infoq.com]

An intro to Apache Arrow – a columnar, in-memory data format designed for efficient transfer of big data – and how to work with it in Java.

>> Migrating to Spring Data JDBC 2.0 [spring.io]

A quick overview of what’s new, including quoted identifiers, dialects, and streamlined events.

>> How to generate JPA entity identifier values using a database sequence [vladmihalcea.com]

And by taking advantage of batch inserts, a database sequence is the best strategy for JPA entity id generation.

Also worth reading:

• >> Java & Files [marcobehler.com]

• >> Java at 25 [infoq.com]

• >> Getting Started With RSocket: Testing Spring Boot Responders [spring.io]

• >> REST API: Java Spring Boot and MongoDB [medium.com]

• >> The best way to fetch an association defined by a subclass [thorben-janssen.com]

• >> How about OpenAPI descriptions and Swagger UI in your Java REST API? [tryingthings.com]

Webinars and presentations:

• >> A Bootiful Podcast: JAXB contributor, COM4j, Jenkins and Launchable founder Kohsuke Kawaguchi [spring.io]

• >> Java in Containers – Part Deux [infoq.com]

• >> Building a Data Exchange with Spring Cloud Data Flow [infoq.com]

• >> Highly Available and Resilient Multi-site Deployments Using Spinnaker [infoq.com]

• >> Keeping Brazil’s Medical Industry Safe with MicroProfile & JakartaEE – Jakarta Tech Talks [tomitribe4.com]

Time to upgrade:

• >> Spring Cloud Data Flow 2.5.1 Released [spring.io]

• >> Spring Boot for Apache Geode & VMware GemFire 1.1.7.RELEASE, 1.2.7.RELEASE and 1.3.0.RC1 available! [spring.io]

• >> Spring Session for Apache Geode & VMware GemFire 2.1.10.RELEASE, 2.2.4.RELEASE and 2.3.0.RELEASE available! [spring.io]

• >> GraalVM 20.1 [medium.com]

• >> Jersey 2.31 [github.com]

2. Technical

>> Future Branch [martinfowler.com] and >> Collaboration Branch [martinfowler.com]

A couple of lesser-known source code branching patterns for rare use cases.

Also worth reading:

• >> What is the optimal password length [advancedweb.hu]

• >> Automating a conference submission workflow: deploying to production [blog.frankel.ch]

• >> The Deprecated *nix API [bitquabit.com]

• >> How to mock in Bash tests [advancedweb.hu]

3. Musings

>> Low-Code, Rapid Application Development and Digital Transformation [techblog.bozho.net]

With analysts predicting 20% annual growth in the low-code industry, it’s still prudent to involve IT when choosing RAD tooling and solutions to ensure compliance, mitigate security concerns, and avoid vendor lock-in.

Also worth reading:

• Threat Modeling: >> Preparing to start [martinfowler.com] and >> Explain and explore [martinfowler.com]

• >> 11 Realpolitik Career Tips for Junior Developers [daedtech.com]

• >> What is a banner? [blog.shodan.io]

• >> Modern solutions to manage large-scale projects in 2020 [blog.codecentric.de]

4. Comics

And my favorite Dilberts of the week:

>> High Fives [dilbert.com]

>> Stopping Theft Everywhere [dilbert.com]

>> Virus Hellscape [dilbert.com]

5. Pick of the Week

>> Lean Testing or Why Unit Tests are Worse than You Think [usejournal.com]

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