🆕☕🎓 NEW JAVA CERTIFICATION: Java SE 21 Developer Professional

Exam Number: 1Z0-830

Oracle released a new Java certification exam targeting Java 21.

Note the presence of this new exam objective about virtual threads:

Managing Concurrent Code Execution

* Create both platform and virtual threads:

- Use both Runnable and Callable objects, 

- manage the thread lifecycle, and 

- use different Executor services and concurrent API to run tasks.

* Develop thread-safe code, using locking mechanisms and concurrent API.

* Process Java collections concurrently and utilize parallel streams.

#ocp #java #certification #java21

https://education.oracle.com/java-se-21-developer-professional/pexam_1Z0-830