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Oracle 1z0-809 certification exam is designed for Java developers who want to validate their skills and knowledge in Java SE 8 programming. Java SE 8 Programmer II certification exam is a step ahead of the Oracle 1z0-808 certification exam and requires a deeper understanding and expertise in Java programming language. Passing 1z0-809 exam is an excellent way to demonstrate your proficiency in Java SE 8 programming and enhance your career opportunities.
Oracle 1z1-809 (Java SE 8 Programmer II) Certification Exam is designed to validate the programming skills acquired by professionals in Java. It is a proficient-level certification program designed particularly to showcase a candidate's programming proficiency using Java. Since its inception in 2014, it has become one of the most sought after certification programs by professionals worldwide.
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Lambda Expressions and Functional Interfaces | 15% | - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Use method references - Create and use lambda expressions - Use primitive and binary variants of functional interfaces |
| Topic 2: Java Class Design | 15% | - Override hashCode, equals, and toString methods - Implement inheritance including visibility modifiers and composition - Implement encapsulation - Implement polymorphism - Use static keyword in blocks, variables, methods, classes - Create singleton and immutable classes |
| Topic 3: Localization | 5% | - Work with resource bundles - Use Locale class - Format numbers, dates, messages |
| 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: Exceptions and Assertions | 8% | - Use try-with-resources - Use assertions - Create custom exceptions - Use try-catch, multi-catch, finally |
| Topic 6: Concurrency | 12% | - Use java.util.concurrent components - Create threads: Thread class, Runnable, ExecutorService - Control thread lifecycle and synchronization - Use Executors, Callable, Future |
| Topic 7: JDBC | 5% | - Execute queries and updates - Process resultsets - Connect to database |
| Topic 8: Advanced Java Class Design | 10% | - Use final keyword - Use enumerated types - Create inner classes: static, local, nested, anonymous - Use abstract classes and methods |
| Topic 9: Java Stream API | 15% | - Describe Stream interface and pipeline - Use terminal operations: collect, reduce, count - Filter, map, and process streams - Work with Optional class |
| Topic 10: Java I/O and NIO.2 | 8% | - Read/write with java.io API - Stream operations on files - Use Path, Files, FileSystem API |
| Topic 11: Generics and Collections | 15% | - Analyze type safety and type erasure - Sort and search collections - Use generic classes, interfaces, and methods - Use Collections Framework: List, Set, Map, Queue |
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