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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: Java Stream API | 15% | - Use terminal operations: collect, reduce, count - Work with Optional class - Filter, map, and process streams - Describe Stream interface and pipeline |
| Topic 2: Lambda Expressions and Functional Interfaces | 15% | - Use method references - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Use primitive and binary variants of functional interfaces - Create and use lambda expressions |
| Topic 3: Generics and Collections | 15% | - Use Collections Framework: List, Set, Map, Queue - Sort and search collections - Use generic classes, interfaces, and methods - Analyze type safety and type erasure |
| Topic 4: Exceptions and Assertions | 8% | - Use try-catch, multi-catch, finally - Create custom exceptions - Use assertions - Use try-with-resources |
| Topic 5: JDBC | 5% | - Execute queries and updates - Process resultsets - Connect to database |
| Topic 6: Java I/O and NIO.2 | 8% | - Read/write with java.io API - Use Path, Files, FileSystem API - Stream operations on files |
| Topic 7: Concurrency | 12% | - Use Executors, Callable, Future - Control thread lifecycle and synchronization - Create threads: Thread class, Runnable, ExecutorService - Use java.util.concurrent components |
| Topic 8: Advanced Java Class Design | 10% | - Use enumerated types - Use final keyword - Create inner classes: static, local, nested, anonymous - Use abstract classes and methods |
| Topic 9: Java Class Design | 15% | - Use static keyword in blocks, variables, methods, classes - Override hashCode, equals, and toString methods - Implement polymorphism - Implement encapsulation - Create singleton and immutable classes - Implement inheritance including visibility modifiers and composition |
| Topic 10: Localization | 5% | - Format numbers, dates, messages - Use Locale class - Work with resource bundles |
| Topic 11: Java SE 8 Date/Time API | 7% | - Format and parse dates/times - Use LocalDate, LocalTime, LocalDateTime, Instant - Work with Period, Duration, time zones |
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