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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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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.
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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Localization | 5% | - Format numbers, dates, messages - Use Locale class - Work with resource bundles |
| Topic 2: Java Class Design | 15% | - Override hashCode, equals, and toString methods - Use static keyword in blocks, variables, methods, classes - Implement encapsulation - Implement inheritance including visibility modifiers and composition - Implement polymorphism - Create singleton and immutable classes |
| Topic 3: Lambda Expressions and Functional Interfaces | 15% | - Use method references - Create and use lambda expressions - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Use primitive and binary variants of functional interfaces |
| Topic 4: Exceptions and Assertions | 8% | - Use assertions - Use try-with-resources - Use try-catch, multi-catch, finally - Create custom exceptions |
| Topic 5: Java SE 8 Date/Time API | 7% | - Format and parse dates/times - Use LocalDate, LocalTime, LocalDateTime, Instant - Work with Period, Duration, time zones |
| Topic 6: JDBC | 5% | - Connect to database - Execute queries and updates - Process resultsets |
| Topic 7: Java Stream API | 15% | - Work with Optional class - Use terminal operations: collect, reduce, count - Filter, map, and process streams - Describe Stream interface and pipeline |
| Topic 8: Concurrency | 12% | - Control thread lifecycle and synchronization - Use Executors, Callable, Future - Use java.util.concurrent components - Create threads: Thread class, Runnable, ExecutorService |
| Topic 9: Java I/O and NIO.2 | 8% | - Use Path, Files, FileSystem API - Stream operations on files - Read/write with java.io API |
| Topic 10: 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 11: Advanced Java Class Design | 10% | - Create inner classes: static, local, nested, anonymous - Use abstract classes and methods - Use enumerated types - Use final keyword |
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