Java is In a different cycle releasing features from very short cycles which are considered for some folks not ideal. IMHO it's great beca... (more…)

Using VAVR's Either type we can express failure scenarios in our type signatures. These container values can be used to write composable code. (more…)

Written by Mark Sailes, Senior Serverless Solutions Architect, AWS. At AWS re:Invent 2022, AWS announced SnapStart for AWS Lambda functions running on Java Corretto 11. This feature enables customers to achieve up to 10x faster function startup performanc... (more…)

Compared to other choices, Java is not that convenient for creating simple command-line driven apps - largely due to the need to distribute a sizable runtime. The combination of GraalVM and Picocli aims to change that, by providing native compilation alon... (more…)

The release of Java SE 15 in Sept 2020 will introduce "sealed classes" (JEP 360) as a preview feature. A sealed class is a class or interface which restricts which other classes or interfaces may extend it. Sealed classes, like enums, capture alternative... (more…)