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The Oracle Java SE 8 Programmer II 1Z0-809 Exam certification is an internationally-recognized validation that identifies persons who earn it as possessing skilled as an Oracle Certified Java Programmer. If a candidate wants significant improvement in career growth needs enhanced knowledge, skills, and talents. The Oracle Java SE 8 Programmer II 1Z0-809 Exam certification provides proof of this advanced knowledge and skill. If a candidate has knowledge of associated technologies and skills that are required to pass Oracle Java SE 8 Programmer II 1Z0-809 Exam then he should take this exam.
| Section | Weight | Objectives |
|---|---|---|
| Localization | 5% | - Use Locale class - Work with resource bundles - Format numbers, dates, messages |
| Exceptions and Assertions | 8% | - Use assertions - Use try-catch, multi-catch, finally - Create custom exceptions - Use try-with-resources |
| Java SE 8 Date/Time API | 7% | - Work with Period, Duration, time zones - Use LocalDate, LocalTime, LocalDateTime, Instant - Format and parse dates/times |
| Advanced Java Class Design | 10% | - Use enumerated types - Use final keyword - Use abstract classes and methods - Create inner classes: static, local, nested, anonymous |
| Lambda Expressions and Functional Interfaces | 15% | - Use method references - Use primitive and binary variants of functional interfaces - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Create and use lambda expressions |
| JDBC | 5% | - Execute queries and updates - Process resultsets - Connect to database |
| Java I/O and NIO.2 | 8% | - Read/write with java.io API - Use Path, Files, FileSystem API - Stream operations on files |
| Java Class Design | 15% | - Create singleton and immutable classes - Override hashCode, equals, and toString methods - Implement inheritance including visibility modifiers and composition - Use static keyword in blocks, variables, methods, classes - Implement polymorphism - Implement encapsulation |
| Generics and Collections | 15% | - Sort and search collections - Use Collections Framework: List, Set, Map, Queue - Analyze type safety and type erasure - Use generic classes, interfaces, and methods |
| Concurrency | 12% | - Control thread lifecycle and synchronization - Use Executors, Callable, Future - Use java.util.concurrent components - Create threads: Thread class, Runnable, ExecutorService |
| Java Stream API | 15% | - Filter, map, and process streams - Use terminal operations: collect, reduce, count - Describe Stream interface and pipeline - Work with Optional class |
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