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Oracle 1z0-809 exam is an advanced-level certification exam designed to test the skills and knowledge of Java developers seeking to become certified Java SE 8 programmers. 1z1-809 exam focuses on testing the advanced features of Java and its APIs, including Java Class Design, Generics and Collections, Lambda Built-in Functional Interfaces, Java Stream API, Java IO Fundamentals, Java File I/O (NIO.2), Java Concurrency, Building Database Applications with JDBC, Localization, and Annotations.
Oracle 1z1-809 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Java Stream API | 15% | - Filter, map, and process streams - Describe Stream interface and pipeline - Use terminal operations: collect, reduce, count - Work with Optional class |
| Topic 2: Localization | 5% | - Use Locale class - Format numbers, dates, messages - Work with resource bundles |
| Topic 3: Java I/O and NIO.2 | 8% | - Use Path, Files, FileSystem API - Stream operations on files - Read/write with java.io API |
| Topic 4: Lambda Expressions and Functional Interfaces | 15% | - Use method references - Use primitive and binary variants of functional interfaces - Create and use lambda expressions - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier |
| Topic 5: Concurrency | 12% | - Use Executors, Callable, Future - Use java.util.concurrent components - Control thread lifecycle and synchronization - Create threads: Thread class, Runnable, ExecutorService |
| Topic 6: Generics and Collections | 15% | - Use generic classes, interfaces, and methods - Sort and search collections - Analyze type safety and type erasure - Use Collections Framework: List, Set, Map, Queue |
| Topic 7: Advanced Java Class Design | 10% | - Create inner classes: static, local, nested, anonymous - Use abstract classes and methods - Use final keyword - Use enumerated types |
| Topic 8: Java SE 8 Date/Time API | 7% | - Format and parse dates/times - Use LocalDate, LocalTime, LocalDateTime, Instant - Work with Period, Duration, time zones |
| Topic 9: JDBC | 5% | - Connect to database - Process resultsets - Execute queries and updates |
| Topic 10: Java Class Design | 15% | - Create singleton and immutable classes - Implement encapsulation - Implement polymorphism - Implement inheritance including visibility modifiers and composition - Use static keyword in blocks, variables, methods, classes - Override hashCode, equals, and toString methods |
| Topic 11: Exceptions and Assertions | 8% | - Use try-catch, multi-catch, finally - Use try-with-resources - Use assertions - Create custom exceptions |
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