Java 21 OCP Flashcards

This is a structured collection of flashcards to help you prepare for the Java 21 OCP certification exam.

Use the left navigation to browse by topic.

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Table of contents

• Java 21 New Features
• Collections & Generics
• Date, Time, and Localization
• Enums
• Exception Handling
• I/O and NIO
• Math, Arrays, Wrappers
• Modules & Migration
• OOP and Encapsulation
• Streams & Functional