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How to study the 1Z0-809 Exam
There are two main types of resources for preparation of certification exams first there are the study guides and the books that are detailed and suitable for building knowledge from ground up then there are video tutorial and lectures that can somehow ease the pain of through study and are comparatively less boring for some candidates yet these demand time and concentration from the learner. Smart Candidates who want to build a solid foundation in all exam topics and related technologies usually combine video lectures with study guides to reap the benefits of both but there is one crucial preparation tool as often overlooked by most candidates the practice exams. Practice exams are built to make students comfortable with the real exam environment. Statistics have shown that most students fail not due to that preparation but due to exam anxiety the fear of the unknown. DumpTorrent expert team recommends you to prepare some notes on these topics along with it don't forget to practice Oracle 1Z0-809 exam dumps which have been written by our expert team, Both these will help you a lot to clear this exam with good marks.
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Java 1Z0-809 Free Test is a test created to demonstrate all the features of our Java8 Professional Web Simulator. You will be able to access 25 full questions and will have 44 minutes to finish the test.
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For more info visit: Oracle Java8 1Z0-809 Exam Reference
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1Z0-809 Exam topics
Candidates must know the exam topics before they start of preparation. Because it will really help them in hitting the core. Our Oracle 1Z0-809 exam dumps will include the following topics:
- Building Database Applications with JDBC
- Advanced Java Class Design
- Java Stream API
- Java File I/O (NIO.2)
- Use Java SE 8 Date/Time API
- Java Class Design
- Exceptions and Assertions
- Localization
- Generics and Collections
- Java I/O Fundamentals
- Lambda Built-in Functional Interfaces
- Java Concurrency
The Oracle 1Z0-809 exam is intended for those individuals who want to get the Oracle Certified Professional, Java SE 8 Programmer certification. The potential candidates for this test are those IT specialists who have some years of experience with Java SE 8 platform and hold the Oracle Certified Associate, Java SE 8 Programmer credential.
The Oracle 1Z0-809 is a 150-minute test with 85 questions, that are mainly of a multiple-choice format, but there may also be other types, such as drag and drop, simulations, or scenario-based. This certification exam is available in the English language and the passing score for it is 65%. However, you need to try to get more than that.
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Oracle 1z0-809 Korean Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Localization | 5% | - Use Locale class - Format numbers, dates, messages - Work with resource bundles |
| Topic 2: Generics and Collections | 15% | - Sort and search collections - Use Collections Framework: List, Set, Map, Queue - Use generic classes, interfaces, and methods - Analyze type safety and type erasure |
| Topic 3: Java I/O and NIO.2 | 8% | - Read/write with java.io API - Use Path, Files, FileSystem API - Stream operations on files |
| Topic 4: Java SE 8 Date/Time API | 7% | - Use LocalDate, LocalTime, LocalDateTime, Instant - Work with Period, Duration, time zones - Format and parse dates/times |
| Topic 5: JDBC | 5% | - Execute queries and updates - Connect to database - Process resultsets |
| Topic 6: Lambda Expressions and Functional Interfaces | 15% | - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Use method references - Use primitive and binary variants of functional interfaces - Create and use lambda expressions |
| Topic 7: Exceptions and Assertions | 8% | - Use try-with-resources - Use assertions - Use try-catch, multi-catch, finally - Create custom exceptions |
| Topic 8: Java Stream API | 15% | - Use terminal operations: collect, reduce, count - Work with Optional class - Describe Stream interface and pipeline - Filter, map, and process streams |
| Topic 9: Concurrency | 12% | - Create threads: Thread class, Runnable, ExecutorService - Control thread lifecycle and synchronization - Use Executors, Callable, Future - Use java.util.concurrent components |
| Topic 10: Java Class Design | 15% | - Implement polymorphism - Override hashCode, equals, and toString methods - Implement encapsulation - Create singleton and immutable classes - Use static keyword in blocks, variables, methods, classes - Implement inheritance including visibility modifiers and composition |
| Topic 11: Advanced Java Class Design | 10% | - Use abstract classes and methods - Use enumerated types - Use final keyword - Create inner classes: static, local, nested, anonymous |
