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Oracle Java SE 8 Programmer II : 1z1-809 valid dump torrent
- Exam Code: 1z1-809
- Exam Name: Java SE 8 Programmer II
- Updated: Sep 20, 2026
- Q&As: 209 Questions and Answers
About Oracle Java SE 8 Programmer II : 1z1-809 Real Exam
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Oracle 1z1-809 exam is an advanced certification test designed for Java professionals who want to increase their skills in Java programming. It is a Java SE 8 Programmer II exam that makes Java developers competent in advanced Java programming concepts, such as Java Persistence API, Lambda Expressions, Concurrency, Generics and Collections, Java File IO (NIO2), Java Database Connectivity (JDBC), and Java IO Fundamentals.
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The Oracle 1z1-809 exam consists of 80 multiple-choice questions, which must be completed within 150 minutes. The questions are designed to assess an individual's understanding of various advanced Java concepts, such as lambda expressions, streams, and parallel streams. Candidates are expected to have hands-on experience in Java programming, as well as a deep understanding of the fundamental concepts of object-oriented programming.
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Oracle 1z1-809 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Java I/O and NIO.2 | 8% | - Stream operations on files - Use Path, Files, FileSystem API - Read/write with java.io API |
| Topic 2: Java SE 8 Date/Time API | 7% | - Format and parse dates/times - Use LocalDate, LocalTime, LocalDateTime, Instant - Work with Period, Duration, time zones |
| Topic 3: Advanced Java Class Design | 10% | - Use final keyword - Create inner classes: static, local, nested, anonymous - Use abstract classes and methods - Use enumerated types |
| Topic 4: 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 5: Localization | 5% | - Format numbers, dates, messages - Use Locale class - Work with resource bundles |
| Topic 6: 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 7: Java Class Design | 15% | - Create singleton and immutable classes - Implement polymorphism - Implement encapsulation - Override hashCode, equals, and toString methods - Use static keyword in blocks, variables, methods, classes - Implement inheritance including visibility modifiers and composition |
| Topic 8: JDBC | 5% | - Connect to database - Process resultsets - Execute queries and updates |
| Topic 9: Exceptions and Assertions | 8% | - Use assertions - Use try-catch, multi-catch, finally - Create custom exceptions - Use try-with-resources |
| Topic 10: Lambda Expressions and Functional Interfaces | 15% | - Use method references - Use primitive and binary variants of functional interfaces - Create and use lambda expressions - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier |
| Topic 11: Concurrency | 12% | - Use Executors, Callable, Future - Control thread lifecycle and synchronization - Create threads: Thread class, Runnable, ExecutorService - Use java.util.concurrent components |
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