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Java SE 8 Programmer II: 1z1-809 Exam
"Java SE 8 Programmer II", also known as 1z1-809 exam, is a Oracle Certification. With the complete collection of questions and answers, PrepAwayTest has assembled to take you through 209 Q&As to your 1z1-809 Exam preparation. In the 1z1-809 exam resources, you will cover every field and category in Java SE Certification helping to ready you for your successful Oracle Certification.
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To be eligible for the Oracle 1z1-809 certification exam, candidates must have a solid understanding of Java programming language and have experience working with Java SE 8. Candidates must also have a good understanding of object-oriented programming, data structures, and algorithms. It is recommended that candidates have at least two years of experience working with Java SE 8 before taking the exam.
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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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The 1z0-809 exam covers a wide range of topics related to Java SE 8, including Lambda expressions, streams, concurrency, JDBC, and more. 1z1-809 exam is designed to test the candidate's understanding of these advanced topics and their ability to apply them in practical programming scenarios. Passing 1z1-809 exam is a testament to the candidate's expertise in Java programming and can help them stand out in a competitive job market.
Oracle 1z1-809 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Concurrency | 12% | - Create threads: Thread class, Runnable, ExecutorService - Use java.util.concurrent components - Use Executors, Callable, Future - Control thread lifecycle and synchronization |
| Topic 2: Java I/O and NIO.2 | 8% | - Read/write with java.io API - Stream operations on files - Use Path, Files, FileSystem API |
| Topic 3: Lambda Expressions and Functional Interfaces | 15% | - Use primitive and binary variants of functional interfaces - Use method references - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Create and use lambda expressions |
| Topic 4: JDBC | 5% | - Process resultsets - Connect to database - Execute queries and updates |
| Topic 5: Java Class Design | 15% | - Override hashCode, equals, and toString methods - Implement encapsulation - Create singleton and immutable classes - Implement inheritance including visibility modifiers and composition - Implement polymorphism - Use static keyword in blocks, variables, methods, classes |
| Topic 6: Exceptions and Assertions | 8% | - Create custom exceptions - Use try-with-resources - Use assertions - Use try-catch, multi-catch, finally |
| Topic 7: Advanced Java Class Design | 10% | - Use enumerated types - Create inner classes: static, local, nested, anonymous - Use final keyword - Use abstract classes and methods |
| Topic 8: Generics and Collections | 15% | - Analyze type safety and type erasure - Sort and search collections - Use generic classes, interfaces, and methods - Use Collections Framework: List, Set, Map, Queue |
| 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: 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 11: Localization | 5% | - Use Locale class - Format numbers, dates, messages - Work with resource bundles |
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