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Oracle Java SE 8 Programmer II 1Z0-809 Exam
Oracle Java SE 8 Programmer II 1Z0-809 Exam is related to Oracle Java SE and credits toward Oracle Certified Professional and Java SE 8 Programmer Certification. This exam is part second of the Java SE 8 Programmer. This exam validates the ability to develop code that uses the static keyword on blocks, variables, methods and chases, implements and intends interfaces and use the at override annotation, search for data by using search methods of the stream classes, save results to a collection. It also validates the ability to create and manage date-based and time-based events including a combination of date and time int a single object. Java EE Developers, Web Developers and Java Developers usually hold or pursue this certification and you can expect the same job role after completion of this certification.
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Oracle 1z1-809 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Exceptions and Assertions | 8% | - Use try-with-resources - Use try-catch, multi-catch, finally - Create custom exceptions - Use assertions |
| Topic 2: Localization | 5% | - Format numbers, dates, messages - Use Locale class - Work with resource bundles |
| Topic 3: Java SE 8 Date/Time API | 7% | - Use LocalDate, LocalTime, LocalDateTime, Instant - Work with Period, Duration, time zones - Format and parse dates/times |
| Topic 4: Java Stream API | 15% | - Use terminal operations: collect, reduce, count - Work with Optional class - Describe Stream interface and pipeline - Filter, map, and process streams |
| Topic 5: Java Class Design | 15% | - Implement encapsulation - Create singleton and immutable classes - Implement inheritance including visibility modifiers and composition - Use static keyword in blocks, variables, methods, classes - Implement polymorphism - Override hashCode, equals, and toString methods |
| Topic 6: Generics and Collections | 15% | - Use generic classes, interfaces, and methods - Analyze type safety and type erasure - Use Collections Framework: List, Set, Map, Queue - Sort and search collections |
| Topic 7: Advanced Java Class Design | 10% | - Create inner classes: static, local, nested, anonymous - Use abstract classes and methods - Use enumerated types - Use final keyword |
| Topic 8: JDBC | 5% | - Execute queries and updates - Connect to database - Process resultsets |
| Topic 9: Java I/O and NIO.2 | 8% | - Stream operations on files - Read/write with java.io API - Use Path, Files, FileSystem API |
| Topic 10: Lambda Expressions and Functional Interfaces | 15% | - Use primitive and binary variants of functional interfaces - Create and use lambda expressions - Use method references - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier |
| Topic 11: Concurrency | 12% | - Control thread lifecycle and synchronization - Create threads: Thread class, Runnable, ExecutorService - Use Executors, Callable, Future - Use java.util.concurrent components |
