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The 1z0-809 exam covers a wide range of topics, including Lambda Expressions, Collections, Generics, Exception Handling, Concurrency, JDBC, and Localization. 1z1-809 exam is designed to test your skills in these areas, and you will be evaluated based on your ability to write code that meets the requirements of a given scenario. 1z1-809 exam consists of 85 multiple-choice questions and has a duration of 150 minutes.
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Oracle 1z0-809 (Java SE 8 Programmer II) Exam is a certification exam designed for Java developers who have a good understanding of Java SE 8 programming language. 1z1-809 exam is intended to test the candidate's knowledge and skills in advanced Java programming concepts such as Lambda expressions, functional interfaces, and streams API. 1z1-809 exam consists of 85 multiple-choice questions that need to be completed in 150 minutes. Candidates who pass the exam receive the Oracle Certified Professional, Java SE 8 Programmer certification.
Oracle 1z1-809 (Java SE 8 Programmer II) certification exam is designed to test the advanced Java programming skills of experienced developers. 1z1-809 exam is aimed at individuals who have already passed the Java SE 8 Programmer I exam and want to further their knowledge and expertise in the Java programming language. Passing the 1z1-809 exam demonstrates a high level of proficiency in Java programming.
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Oracle 1z1-809 certification exam is an industry-recognized certification that is highly valued by employers. Java SE 8 Programmer II certification validates the candidate's ability to develop Java applications in an efficient and effective manner. Java SE 8 Programmer II certification also demonstrates the candidate's commitment to continuous learning and professional development in the field of Java programming.
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Oracle 1z1-809 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Lambda Expressions and Functional Interfaces | 15% | - Create and use lambda expressions - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Use primitive and binary variants of functional interfaces - Use method references |
| Topic 2: Advanced Java Class Design | 10% | - Use abstract classes and methods - Use enumerated types - Use final keyword - Create inner classes: static, local, nested, anonymous |
| Topic 3: Java Stream API | 15% | - Describe Stream interface and pipeline - Filter, map, and process streams - Work with Optional class - Use terminal operations: collect, reduce, count |
| Topic 4: JDBC | 5% | - Connect to database - Process resultsets - Execute queries and updates |
| Topic 5: Java Class Design | 15% | - Override hashCode, equals, and toString methods - Implement inheritance including visibility modifiers and composition - Implement polymorphism - Use static keyword in blocks, variables, methods, classes - Implement encapsulation - Create singleton and immutable classes |
| Topic 6: Concurrency | 12% | - Use Executors, Callable, Future - Use java.util.concurrent components - Create threads: Thread class, Runnable, ExecutorService - Control thread lifecycle and synchronization |
| Topic 7: Java I/O and NIO.2 | 8% | - Use Path, Files, FileSystem API - Stream operations on files - Read/write with java.io API |
| Topic 8: Generics and Collections | 15% | - Use Collections Framework: List, Set, Map, Queue - Sort and search collections - Analyze type safety and type erasure - Use generic classes, interfaces, and methods |
| Topic 9: Java SE 8 Date/Time API | 7% | - Use LocalDate, LocalTime, LocalDateTime, Instant - Format and parse dates/times - Work with Period, Duration, time zones |
| Topic 10: Localization | 5% | - Format numbers, dates, messages - Use Locale class - Work with resource bundles |
| Topic 11: Exceptions and Assertions | 8% | - Use try-catch, multi-catch, finally - Create custom exceptions - Use try-with-resources - Use assertions |
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