https://github.com/anasss/java21doccards
A structured collection of flashcards to help you prepare for the Oracle Certified Professional (OCP) Java 21 exam.
https://github.com/anasss/java21doccards
java21 javacertification javaocp
Last synced: 8 months ago
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A structured collection of flashcards to help you prepare for the Oracle Certified Professional (OCP) Java 21 exam.
- Host: GitHub
- URL: https://github.com/anasss/java21doccards
- Owner: Anasss
- License: mit
- Created: 2025-07-26T13:40:22.000Z (10 months ago)
- Default Branch: main
- Last Pushed: 2025-08-05T21:53:26.000Z (10 months ago)
- Last Synced: 2025-08-05T22:27:44.914Z (10 months ago)
- Topics: java21, javacertification, javaocp
- Language: Ruby
- Homepage: https://anasss.github.io/java21docCards/
- Size: 145 KB
- Stars: 0
- Watchers: 0
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# Java 21 OCP Study Cards & Quiz
Prepare for the Java 21 OCP (1Z0-830) exam with these interactive flashcards and a free practice quiz. The materials cover key Java 21 features in OCP exam style, including:
* Records, Sealed classes, Pattern Matching
* Switch Expressions and Text Blocks
* Streams, Collectors, and Functional Interfaces
* Lambda Expressions and Method References
* Generics and Wildcards
* Modules and Migration Strategies
* Date & Time API with Timezone/DST handling
* Concurrency and Thread Management
* Collections Framework
* Exceptions and Try-with-resources
* I/O & NIO.2 Path operations
* Enums and Optional API
## Flashcards
Review key concepts in a concise, practical way:
* [Java 21 OCP Flashcards](https://anasss.github.io/java21docCards/)
## Q&A Study Guide
Comprehensive question and answer format covering different exam topics:
* [Q&A Study Guide](https://anasss.github.io/java21docCards/complete-java21-qa.html)
## Free Practice Quiz
Test your knowledge with a Java 21 OCP-style quiz:
* [Take the Quiz](https://anasss.github.io/java21docCards/quiz/)
> The quiz includes OCP-style questions covering common exam topics.
## Contributions
Contributions and suggestions are welcome! You can submit new flashcards or questions via Pull Request.
See our [Contributing Guidelines](https://github.com/Anasss/java21docCards/blob/main/CONTRIBUTING.md) for more details on how to contribute.
## License
This project is open-source and available under the MIT License.