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Oracle 1z0-809 exam is an advanced-level certification exam designed to test the skills and knowledge of Java developers seeking to become certified Java SE 8 programmers. 1z0-809 exam focuses on testing the advanced features of Java and its APIs, including Java Class Design, Generics and Collections, Lambda Built-in Functional Interfaces, Java Stream API, Java IO Fundamentals, Java File I/O (NIO.2), Java Concurrency, Building Database Applications with JDBC, Localization, and Annotations.
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Oracle 1z1-809 (Java SE 8 Programmer II) Certification Exam is a professional level certification designed for experienced Java developers who want to demonstrate their advanced knowledge and skills in Java programming. Java SE 8 Programmer II certification exam covers a wide range of Java SE 8 programming topics, including Java Class Design, Generics and Collections, Lambda Expressions, Java Stream API, Java File I/O and NIO.2, Java Concurrency, JDBC API, Localization, Annotations, and Java Security.
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Oracle 1z0-809 certification exam covers a wide range of topics related to Java SE 8 programming, including Lambda expressions, functional interfaces, streams, exceptions, and concurrency. 1z0-809 exam format consists of 90 multiple-choice questions that need to be completed in 150 minutes. The passing score for 1z0-809 exam is 65%, and the exam fee is $245.
Oracle 1z0-809 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Concurrency | 12% | - Control thread lifecycle and synchronization - Use java.util.concurrent components - Create threads: Thread class, Runnable, ExecutorService - Use Executors, Callable, Future |
| Topic 2: JDBC | 5% | - Execute queries and updates - Connect to database - Process resultsets |
| Topic 3: Java Class Design | 15% | - Override hashCode, equals, and toString methods - Create singleton and immutable classes - Implement inheritance including visibility modifiers and composition - Use static keyword in blocks, variables, methods, classes - Implement encapsulation - Implement polymorphism |
| Topic 4: Java Stream API | 15% | - Describe Stream interface and pipeline - Work with Optional class - Filter, map, and process streams - Use terminal operations: collect, reduce, count |
| Topic 5: Advanced Java Class Design | 10% | - Create inner classes: static, local, nested, anonymous - Use abstract classes and methods - Use final keyword - Use enumerated types |
| Topic 6: Localization | 5% | - Work with resource bundles - Use Locale class - Format numbers, dates, messages |
| Topic 7: Lambda Expressions and Functional Interfaces | 15% | - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Use method references - Create and use lambda expressions - Use primitive and binary variants of functional interfaces |
| Topic 8: Java I/O and NIO.2 | 8% | - Read/write with java.io API - Stream operations on files - Use Path, Files, FileSystem API |
| Topic 9: Generics and Collections | 15% | - Sort and search collections - Analyze type safety and type erasure - Use Collections Framework: List, Set, Map, Queue - Use generic classes, interfaces, and methods |
| Topic 10: Java SE 8 Date/Time API | 7% | - Work with Period, Duration, time zones - Use LocalDate, LocalTime, LocalDateTime, Instant - Format and parse dates/times |
| Topic 11: Exceptions and Assertions | 8% | - Use try-catch, multi-catch, finally - Use try-with-resources - Create custom exceptions - Use assertions |
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