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