Last Updated: Aug 01, 2026
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Oracle offered the following courses to help you prepare for the certification tests.
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| Section | Objectives |
|---|---|
| Topic 1: Java File I/O (NIO.2) | - PathMatcher and file tree walking - Directory traversal and WatchService - Path and Files operations |
| Topic 2: Localization and Date/Time | - Formatting dates, numbers and currency - Locale and resource bundles - Date and time API (LocalDate, LocalTime, Instant, Period, Duration) |
| Topic 3: Java Collections & Streams | - Stream API, filtering, mapping and reduction - Enhancements to collections and iterating with lambdas |
| Topic 4: Lambda and Functional Features | - Functional interfaces and lambda expressions - Method references and built-in functional types |
| Topic 5: Concurrency | - java.util.concurrent classes and thread pools - Lock, ReadWriteLock, ReentrantLock and atomic variables - Fork/Join Framework and parallelism |
| Topic 6: Language Enhancements | - Static and default interface methods - String in switch, binary and underscore numeric literals - Multi-catch exception handling - Try-with-resources and AutoCloseable |
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