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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:
- Read the question and select only the answer(s) you think are correct by checking the corresponding check box.
- Take a look at the progress bar at the top; it will tell how you are progressing throughout the exam.
- 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.
- 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.
- 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.
- Navigate the Java Certification Questions using the “Previous” and “Next” buttons.
- 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.
For more info visit: Oracle Java8 1Z0-809 Exam Reference
How to study the 1Z0-809 Exam
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How much 1Z0-809 Exam Cost
The price of the 1Z0-809 exam is $245 USD.
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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:
- Localization
- Java File I/O (NIO.2)
- Java Class Design
- Generics and Collections
- Java Concurrency
- Exceptions and Assertions
- Java I/O Fundamentals
- Building Database Applications with JDBC
- Advanced Java Class Design
- Use Java SE 8 Date/Time API
- Java Stream API
- Lambda Built-in Functional Interfaces
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Oracle 1z0-809 Korean Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: JDBC | 5% | - Execute queries and updates - Process resultsets - Connect to database |
| Topic 2: Advanced Java Class Design | 10% | - Use final keyword - Create inner classes: static, local, nested, anonymous - Use abstract classes and methods - Use enumerated types |
| Topic 3: Localization | 5% | - Use Locale class - Format numbers, dates, messages - Work with resource bundles |
| Topic 4: Java I/O and NIO.2 | 8% | - Read/write with java.io API - Use Path, Files, FileSystem API - Stream operations on files |
| Topic 5: Java SE 8 Date/Time API | 7% | - Work with Period, Duration, time zones - Format and parse dates/times - Use LocalDate, LocalTime, LocalDateTime, Instant |
| Topic 6: 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 |
| Topic 7: Java Class Design | 15% | - Create singleton and immutable classes - Override hashCode, equals, and toString methods - Use static keyword in blocks, variables, methods, classes - Implement inheritance including visibility modifiers and composition - Implement encapsulation - Implement polymorphism |
| Topic 8: Lambda Expressions and Functional Interfaces | 15% | - Use method references - Use built-in functional interfaces: Predicate, Consumer, Function, Supplier - Use primitive and binary variants of functional interfaces - Create and use lambda expressions |
| Topic 9: Exceptions and Assertions | 8% | - Use try-catch, multi-catch, finally - Create custom exceptions - Use assertions - Use try-with-resources |
| Topic 10: Java Stream API | 15% | - Work with Optional class - Use terminal operations: collect, reduce, count - Describe Stream interface and pipeline - Filter, map, and process streams |
| Topic 11: Concurrency | 12% | - Use Executors, Callable, Future - Create threads: Thread class, Runnable, ExecutorService - Use java.util.concurrent components - Control thread lifecycle and synchronization |
