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.
How to study the 1Z0-809 Exam
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Certification Path
Oracle Java SE 8 Programmer I can act as a prerequisite for this 1Z0-809 exam.
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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.
There are several components you can interact with when you take our mock exams:
- Once the test is submitted, the result section will expand. Here, you will be able to review all the questions of the test. From here, you can also navigate directly to each question.
- Read the question and select only the answer(s) you think are correct by checking the corresponding check box.
- Navigate the Java Certification Questions using the “Previous” and “Next” buttons.
- Keep an eye on the countdown. This will tell you how much time is left. When the countdown expires, the test will be automatically submitted.
- Mark the Java Certification Questions you wish to review later. All the questions you have marked will be listed in the right section “marked questions”. You will be able to jump directly to the question from this list.
- if you want to take a look at the correct answers for a question, just click the “Solution” button. In the solution section you will be able to check your answers as well as find a full explanation.
- Take a look at the progress bar at the top; it will tell how you are progressing throughout the exam.
For more info visit: Oracle Java8 1Z0-809 Exam Reference
Oracle 1z0-809日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Java Class Design | 15% | - Override hashCode, equals, and toString methods - Create singleton and immutable classes - Implement polymorphism - Use static keyword in blocks, variables, methods, classes - Implement inheritance including visibility modifiers and composition - Implement encapsulation |
| Topic 2: Generics and Collections | 15% | - Use Collections Framework: List, Set, Map, Queue - Sort and search collections - Use generic classes, interfaces, and methods - Analyze type safety and type erasure |
| Topic 3: Java Stream API | 15% | - Describe Stream interface and pipeline - Filter, map, and process streams - Use terminal operations: collect, reduce, count - Work with Optional class |
| Topic 4: Concurrency | 12% | - Use java.util.concurrent components - Create threads: Thread class, Runnable, ExecutorService - Use Executors, Callable, Future - Control thread lifecycle and synchronization |
| Topic 5: Java SE 8 Date/Time API | 7% | - Work with Period, Duration, time zones - Use LocalDate, LocalTime, LocalDateTime, Instant - Format and parse dates/times |
| Topic 6: Exceptions and Assertions | 8% | - Create custom exceptions - Use assertions - Use try-with-resources - Use try-catch, multi-catch, finally |
| Topic 7: JDBC | 5% | - Process resultsets - Connect to database - Execute queries and updates |
| Topic 8: Localization | 5% | - Work with resource bundles - Use Locale class - Format numbers, dates, messages |
| Topic 9: Java I/O and NIO.2 | 8% | - Use Path, Files, FileSystem API - Read/write with java.io API - Stream operations on files |
| Topic 10: Advanced Java Class Design | 10% | - Use enumerated types - Create inner classes: static, local, nested, anonymous - Use final keyword - Use abstract classes and methods |
| Topic 11: Lambda Expressions and Functional Interfaces | 15% | - Use primitive and binary variants of functional interfaces - Create and use lambda expressions - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Use method references |
