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Certification Path
Oracle Java SE 8 Programmer I can act as a prerequisite for this 1Z0-809 exam.
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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.
Oracle 1z1-809 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Java I/O and NIO.2 | 8% | - Use Path, Files, FileSystem API - Read/write with java.io API - Stream operations on files |
| Generics and Collections | 15% | - Sort and search collections - Use Collections Framework: List, Set, Map, Queue - Analyze type safety and type erasure - Use generic classes, interfaces, and methods |
| Java Stream API | 15% | - Filter, map, and process streams - Describe Stream interface and pipeline - Use terminal operations: collect, reduce, count - Work with Optional class |
| Java SE 8 Date/Time API | 7% | - Format and parse dates/times - Work with Period, Duration, time zones - Use LocalDate, LocalTime, LocalDateTime, Instant |
| Exceptions and Assertions | 8% | - Create custom exceptions - Use assertions - Use try-catch, multi-catch, finally - Use try-with-resources |
| 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 |
| Localization | 5% | - Format numbers, dates, messages - Use Locale class - Work with resource bundles |
| Java Class Design | 15% | - Use static keyword in blocks, variables, methods, classes - Implement encapsulation - Implement inheritance including visibility modifiers and composition - Implement polymorphism - Override hashCode, equals, and toString methods - Create singleton and immutable classes |
| JDBC | 5% | - Execute queries and updates - Process resultsets - Connect to database |
| Concurrency | 12% | - Create threads: Thread class, Runnable, ExecutorService - Control thread lifecycle and synchronization - Use java.util.concurrent components - Use Executors, Callable, Future |
| Advanced Java Class Design | 10% | - Use final keyword - Create inner classes: static, local, nested, anonymous - Use abstract classes and methods - Use enumerated types |
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