This course covers the pitfalls and challenges introduced by JDK releases 9, 10, 11, and 12, focusing on areas such as Java language syntax, class libraries, and JVM options. The course aims to help learners understand the impact of these changes on application migration, including the introduction of the Java Platform Module System (JPMS) and the removal of features. By the end of the course, students will be equipped with the knowledge and skills needed to navigate the complexities of migrating applications to newer JDK versions. The intended audience for this course includes Java developers and professionals looking to stay up-to-date with the latest Java releases and best practices.
Overview
Syllabus
Intro
JDK 12 Functionality
JDK 9: Big And Small Changes
JDK 9 Onwards And Compatibility
Java Platform Module System (JPMS) . The core Java libraries are now a set of modules (JEP 220)
Migrating Applications to JPMS
Reversing Encapsulation
Finding Dependencies: jdeps
Using "Missing" Modules
Milling Project Coin (JEP 213)
Deleted Deprecated Methods
Finding Deprecated API Use
JDK/JRE File Structure (JEP 220)
New Version String Format (JEP 223)
Non-Programmatic Issues
JVM Logging
Replaced JVM Flags
Deprecated JVM Flags
Local Variable Type Inference
Command Line Flags
Oracle JDK & OpenJDK
Major Absent Features
Tools Affected
Command Line-XX Flags
Migrating To JDK 11 or 12
Zulu Community Edition
Taught by
Devoxx
