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