The new API for random number generation in Java 17 - why it needed to change and how the new API is more usable, extensible, and robust - and how to get started with JDK Flight Recorder, particularly on Java 16.

nipafx (Nicolai Parlog)

A two-topic Java newscast covering JDK Flight Recorder (JFR) and random number generation in Java 17. The JFR segment explains how to start a recording using jcmd, dump and analyze the data with JDK Mission Control, and configure JFC files to enable memory allocation tracking. It also highlights a JDK 16 change introducing the jdk.ObjectAllocationSample event and notes JFR support in GraalVM 21.2.

Random Numbers and JDK Flight Recorder