Tag: jdk

All the articles with the tag "jdk".

• Enterprise JDK Upgrades (Part 1): Moving from JDK 11 to JDK 17

  13 Apr, 2025

  Using an upgrade of multiple company Java applications from JDK 11 to JDK 17, this article discusses compatibility checks and a staged migration. It covers changed exception messages, reflective-access restrictions, separate runtime and compile-time transitions, and supporting changes to Tomcat, Jenkins, and development environments.

• JVM Notes (Part 1)

  11 Nov, 2020

  Notes on Java bytecode, stack frames, and JVM runtime data areas, together with common startup options for heap memory, thread stacks, garbage collection, and heap dumps. Parameter conversions and capacity examples illustrate memory configuration, followed by the difference between memory leaks and running out of memory.