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1Z0-830 Resources — Official Exam & Java SE 21 Docs

Official resources for Java SE 21 Developer Professional (1Z0-830): Oracle exam page and canonical Java SE 21 documentation (API, JLS, tutorials).

On this page

Exam & certification (official)

Oracle exam page (1Z0-830)
https://education.oracle.com/oracle-certified-professional-java-se-21-developer/pexam_1Z0-830
Oracle certification program guidelines
https://education.oracle.com/certification-program-guidelines

Java SE 21 docs (canonical)

Java SE 21 documentation home
https://docs.oracle.com/en/java/javase/21/
Java SE 21 API documentation
https://docs.oracle.com/en/java/javase/21/docs/api/
Java Language Specification (JLS), SE 21
https://docs.oracle.com/javase/specs/jls/se21/html/index.html
The Java Tutorials
https://docs.oracle.com/javase/tutorial/

Practical “next” links from this hub

Objectives by topic: Syllabus →
High-yield rules + APIs: Cheatsheet →
Week-by-week schedule: Study Plan →