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Oracle 1z1-809 dumps torrent : Java SE 8 Programmer II
- Exam Code: 1z1-809
- Exam Name: Java SE 8 Programmer II
- Updated: Sep 11, 2026 Q & A: 209 Questions and Answers
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Candidates preparing for the Oracle 1z0-809 exam should have a solid foundation in Java programming, including object-oriented programming concepts, data structures, and algorithms. They should also have experience in using Java SE 8 features and APIs. 1z1-809 exam requires a considerable amount of preparation and practice, and candidates are encouraged to use resources such as study guides, online courses, and practice exams.
Oracle 1z0-809 (Java SE 8 Programmer II) Certification Exam is ideal for Java developers who have already obtained the Oracle Certified Associate (OCA) certification or have equivalent experience. 1z1-809 exam is a must-have for developers who wish to demonstrate their mastery of Java SE 8 programming and increase their job prospects in the industry. Java SE 8 Programmer II certification is recognized globally and is highly regarded by employers across different sectors.
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Oracle 1z0-809 exam is an important certification for Java developers who want to demonstrate their mastery of the Java programming language. It is a valuable credential that can help developers advance their careers and increase their earning potential. 1z1-809 exam is recognized internationally and is a requirement for many Java-related job positions.
Oracle 1z1-809 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Concurrency | 12% | - Control thread lifecycle and synchronization - Use Executors, Callable, Future - Create threads: Thread class, Runnable, ExecutorService - Use java.util.concurrent components |
| Advanced Java Class Design | 10% | - Create inner classes: static, local, nested, anonymous - Use abstract classes and methods - Use final keyword - Use enumerated types |
| Java Stream API | 15% | - Filter, map, and process streams - Work with Optional class - Use terminal operations: collect, reduce, count - Describe Stream interface and pipeline |
| Lambda Expressions and Functional Interfaces | 15% | - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Use primitive and binary variants of functional interfaces - Create and use lambda expressions - Use method references |
| Exceptions and Assertions | 8% | - Use try-with-resources - Create custom exceptions - Use assertions - Use try-catch, multi-catch, finally |
| Generics and Collections | 15% | - Use generic classes, interfaces, and methods - Use Collections Framework: List, Set, Map, Queue - Sort and search collections - Analyze type safety and type erasure |
| JDBC | 5% | - Connect to database - Execute queries and updates - Process resultsets |
| Java I/O and NIO.2 | 8% | - Read/write with java.io API - Use Path, Files, FileSystem API - Stream operations on files |
| Java Class Design | 15% | - Create singleton and immutable classes - Implement polymorphism - Implement inheritance including visibility modifiers and composition - Use static keyword in blocks, variables, methods, classes - Override hashCode, equals, and toString methods - Implement encapsulation |
| Localization | 5% | - Format numbers, dates, messages - Use Locale class - Work with resource bundles |
| Java SE 8 Date/Time API | 7% | - Work with Period, Duration, time zones - Format and parse dates/times - Use LocalDate, LocalTime, LocalDateTime, Instant |
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