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Oracle Java SE 8 Programmer II 1Z0-809 Exam
Oracle Java SE 8 Programmer II 1Z0-809 Exam is related to Oracle Java SE and credits toward Oracle Certified Professional and Java SE 8 Programmer Certification. This exam is part second of the Java SE 8 Programmer. This exam validates the ability to develop code that uses the static keyword on blocks, variables, methods and chases, implements and intends interfaces and use the at override annotation, search for data by using search methods of the stream classes, save results to a collection. It also validates the ability to create and manage date-based and time-based events including a combination of date and time int a single object. Java EE Developers, Web Developers and Java Developers usually hold or pursue this certification and you can expect the same job role after completion of this certification.
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- Exceptions and Assertions
- Building Database Applications with JDBC
- Java Class Design
- Generics and Collections
- Localization
- Use Java SE 8 Date/Time API
- Advanced Java Class Design
- Java Stream API
- Lambda Built-in Functional Interfaces
- Java Concurrency
- Java I/O Fundamentals
- Java File I/O (NIO.2)
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Oracle 1z0-809 Korean Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Java Class Design | 15% | - Implement encapsulation - Create singleton and immutable classes - Override hashCode, equals, and toString methods - Implement polymorphism - Use static keyword in blocks, variables, methods, classes - Implement inheritance including visibility modifiers and composition |
| Topic 2: Lambda Expressions and Functional Interfaces | 15% | - Use primitive and binary variants of functional interfaces - Create and use lambda expressions - Use method references - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier |
| Topic 3: JDBC | 5% | - Execute queries and updates - Process resultsets - Connect to database |
| Topic 4: Advanced Java Class Design | 10% | - Use enumerated types - Use abstract classes and methods - Use final keyword - Create inner classes: static, local, nested, anonymous |
| Topic 5: Localization | 5% | - Use Locale class - Format numbers, dates, messages - Work with resource bundles |
| Topic 6: Java Stream API | 15% | - Use terminal operations: collect, reduce, count - Filter, map, and process streams - Work with Optional class - Describe Stream interface and pipeline |
| Topic 7: Concurrency | 12% | - Use Executors, Callable, Future - Control thread lifecycle and synchronization - Use java.util.concurrent components - Create threads: Thread class, Runnable, ExecutorService |
| Topic 8: Exceptions and Assertions | 8% | - Use try-with-resources - Use assertions - Use try-catch, multi-catch, finally - Create custom exceptions |
| Topic 9: Java I/O and NIO.2 | 8% | - Read/write with java.io API - Use Path, Files, FileSystem API - Stream operations on files |
| Topic 10: Generics and Collections | 15% | - Analyze type safety and type erasure - Sort and search collections - Use Collections Framework: List, Set, Map, Queue - Use generic classes, interfaces, and methods |
| Topic 11: 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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