Java SE 8 Programmer II (1z0-809 Korean Version): 1z0-809 Exam
"Java SE 8 Programmer II (1z0-809 Korean Version)", also known as 1z0-809 exam, is a Oracle Certification. With the complete collection of questions and answers, PrepPDF has assembled to take you through 209 Q&As to your 1z0-809 Exam preparation. In the 1z0-809 exam resources, you will cover every field and category in Java SE Certification helping to ready you for your successful Oracle Certification.
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Oracle 1z0-809 Korean Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Lambda Expressions and Functional Interfaces | 15% | - Use method references - Create and use lambda expressions - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Use primitive and binary variants of functional interfaces |
| 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: JDBC | 5% | - Execute queries and updates - Connect to database - Process resultsets |
| Topic 4: Java Stream API | 15% | - Work with Optional class - Filter, map, and process streams - Use terminal operations: collect, reduce, count - Describe Stream interface and pipeline |
| Topic 5: Java SE 8 Date/Time API | 7% | - Use LocalDate, LocalTime, LocalDateTime, Instant - Format and parse dates/times - Work with Period, Duration, time zones |
| Topic 6: Advanced Java Class Design | 10% | - Use final keyword - Use abstract classes and methods - Use enumerated types - Create inner classes: static, local, nested, anonymous |
| Topic 7: Concurrency | 12% | - Use Executors, Callable, Future - Create threads: Thread class, Runnable, ExecutorService - Control thread lifecycle and synchronization - Use java.util.concurrent components |
| Topic 8: 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 9: Exceptions and Assertions | 8% | - Create custom exceptions - Use try-catch, multi-catch, finally - Use assertions - Use try-with-resources |
| Topic 10: Localization | 5% | - Format numbers, dates, messages - Work with resource bundles - Use Locale class |
| Topic 11: Java Class Design | 15% | - Override hashCode, equals, and toString methods - Implement encapsulation - Implement polymorphism - Implement inheritance including visibility modifiers and composition - Create singleton and immutable classes - Use static keyword in blocks, variables, methods, classes |
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