Sooner or later, most developers discover that a little bit of jargon goes a long way. Why call someone’s code good when

Pattern matching involves testing whether an object has a particular structure, then extracting data from that object if there’s a match. You can already do this with Java; however, pattern matching introduces new language enhancements that enable you to conditionally extract data from objects with code that’s more concise and robust.

One of the primary purposes of inheritance is code reuse: When you want to create a new class and there is already a class that includes some of the code that you want, you can derive your new class from the existing class. In doing this, you can reuse the fields and methods of the existing class without having to write (and debug) them yourself.

Integration Tests With Spring Boot, TestContainers, Liquibase, and JUnit 5 In this article, we will cover how to do integration tests in spring boot application with PostgreSQL DB, Liquibase…medium.com

A record class declares a sequence of fields, and then the appropriate accessors, constructors, equals, hashCode, and toString methods are created automatically. The fields are final because the class is intended to serve as a simple 'data carrier'. It means that records are Immutable.

Classes that cannot be used directly by the bytecode of other classes. Hidden classes are intended for use by frameworks that generate classes at run time and use them indirectly, via reflection. A hidden class may be defined as a member of an access control nest and may be unloaded independently of other classes.

More specifically, JDK 15 extends the instanceof operator: you can specify a binding variable; if the result of the instanceof operator is true, then the object being tested is assigned to the binding variable.

JEP 373: Reimplement the Legacy DatagramSocket API Replace the underlying implementations of the java.net.DatagramSocket and java.net.MulticastSocket APIs with simpler…openjdk.java.net

Introduced as a preview feature in Java SE 14, record classes help to model plain data aggregates with less ceremony than normal classes. Java SE 15 extends the preview feature with additional capabilities such as local record classes.

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ow, I know the definition of DS-related roles is still murky but one thing certain about ML engineers is their superior technical prowess versus your average data scientist. I guess, learning how to deploy web apps and tinker on the back end of stuff is a pathway to having a skillset closer to that of an ML engineer.

Replacement for the underlying implementations of the java.net.DatagramSocket and java.net.MulticastSocket APIs with simpler and more modern implementations that are easy to maintain and debug. The new implementations are easy to adapt to work with virtual threads, currently being explored in Project Loom.

A preview feature is a new feature whose design, specification, and implementation are complete, but which is not permanent, which means that the feature may exist in a different form or not at all in future JDK releases.

Not that people aren’t trying. The ultimate digital escape fantasy would require some seriously perverse enforcement of privilege. Anything to prevent the unwashed masses — the folks working in the meat processing plants, Amazon warehouses, UPS trucks, or not at all — from violating the sacred bounds of our virtual amnionic sacs. Sure, we can replace the factory workers with robots and the delivery people with drones, but then they’ll even have less at stake in maintaining our digital retreats.

JEP 339: Edwards-Curve Digital Signature Algorithm (EdDSA) Implement cryptographic signatures using the Edwards-Curve Digital Signature Algorithm (EdDSA) as described by RFC…openjdk.java.net

JEP 375: Pattern Matching for instanceof (Second Preview) Enhance the Java programming language with pattern matching for the instanceof operator. Pattern matching allows common…openjdk.java.net

Integration Tests With Spring Boot, TestContainers, Liquibase, and JUnit 5 In this article, we will cover how to do integration tests in spring boot application with PostgreSQL DB, Liquibase…medium.com