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Oracle 1z0-809 certification exam is designed for Java developers who want to prove their skills in the Java SE 8 programming language. Java SE 8 Programmer II certification exam is the second level exam in the Oracle Certified Professional (OCP) certification path for Java SE 8. Passing 1z1-809 exam demonstrates that the candidate has a deep understanding of advanced Java concepts and can develop complex Java applications.
Oracle 1z0-809 (Java SE 8 Programmer II) certification exam is designed for professionals with intermediate to advanced knowledge of Java programming language. Java SE 8 Programmer II certification exam is a step up from the Oracle 1z0-808 (Java SE 8 Programmer I) certification exam, as it focuses on more complex Java programming concepts and advanced topics such as concurrency, security, and database integration.
Passing the Oracle 1z0-809 certification exam validates the candidate's skills and knowledge in Java programming, making them a valuable asset to any organization. It also demonstrates the candidate's commitment to professional development and their willingness to stay current with the latest Java programming trends and technologies.
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| Section | Weight | Objectives |
|---|---|---|
| Localization | 5% | - Use Locale class - Format numbers, dates, messages - Work with resource bundles |
| Java Class Design | 15% | - Use static keyword in blocks, variables, methods, classes - Create singleton and immutable classes - Implement polymorphism - Implement encapsulation - Implement inheritance including visibility modifiers and composition - Override hashCode, equals, and toString methods |
| Java Stream API | 15% | - Work with Optional class - Filter, map, and process streams - Describe Stream interface and pipeline - Use terminal operations: collect, reduce, count |
| Advanced Java Class Design | 10% | - Use enumerated types - Use abstract classes and methods - Use final keyword - Create inner classes: static, local, nested, anonymous |
| Concurrency | 12% | - Create threads: Thread class, Runnable, ExecutorService - Control thread lifecycle and synchronization - Use java.util.concurrent components - Use Executors, Callable, Future |
| JDBC | 5% | - Execute queries and updates - Connect to database - Process resultsets |
| Lambda Expressions and Functional Interfaces | 15% | - Create and use lambda expressions - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Use method references - Use primitive and binary variants of functional interfaces |
| Exceptions and Assertions | 8% | - Use try-with-resources - Use assertions - Use try-catch, multi-catch, finally - Create custom exceptions |
| Java I/O and NIO.2 | 8% | - Read/write with java.io API - Use Path, Files, FileSystem API - Stream operations on files |
| Generics and Collections | 15% | - Sort and search collections - Analyze type safety and type erasure - Use generic classes, interfaces, and methods - Use Collections Framework: List, Set, Map, Queue |
| Java SE 8 Date/Time API | 7% | - Use LocalDate, LocalTime, LocalDateTime, Instant - Work with Period, Duration, time zones - Format and parse dates/times |
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