Oracle is adding an entitlement to GraalVM Enterprise to the Java SE subscription.
Week of February 1, 2021
Hot news: Oracle announced the addition of an entitlement to GraalVM Enterprise—at no additional cost—with the purchase of a Java SE subscription. You’ll get all the GraalVM goodies, including the just-in-time compiler; a native image utility that compiles Java and JVM-based applications ahead of time into self-contained native executables; and multilanguage support.
We’ve assembled a collection of links related to GraalVM and also other articles on WebSocket, the JPAstreamer project, and CPU memory and cache architecture. We hope you enjoy these articles.
Take care, Alan Zeichick Editor in Chief, Java Magazine @zeichick
Learning the WebSocket API for Java EE and Jakarta EE WebSocket is a two-way communication protocol that lets clients send and receive messages over a single connection to a server endpoint. Java Champion Josh Juneau explains how to use the WebSocket API to enable communication between clients and servers.
JPAstreamer: Expressing Hibernate/JPA queries with Java streams Mixing Hibernate/JPA and Java for database actions is neither completely type-safe nor intuitive. The JPAstreamer library offers another solution, explains Per Minborg, project lead and an Oracle Groundbreaker Ambassador.
Java and the modern CPU, Part 1: Memory and the cache hierarchy You can better understand application performance—and optimize your software approach—by seeing how a server’s memory and cache architecture affect execution. Java Magazine is pleased to republish a popular series on CPUs that was written in 2015.
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