What is the duration of the 1Z0-809 Exam

Passing Score: 65%
Format: Multiple choices, multiple answers
Number of Questions: 85
Length of Examination: 150 minutes

Unlimited use

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Oracle 1Z0-809 Exam Reference

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.
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Take a look at the progress bar at the top; it will tell how you are progressing throughout the exam.
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.
Read the question and select only the answer(s) you think are correct by checking the corresponding check box.
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.

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Reference: https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&get_params=p_exam_id:1Z0-809

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Simulation test system

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Oracle 1z0-809日本語 Exam Syllabus Topics:

Section	Objectives
Topic 1: Localization	- Internationalization 1. Format dates and numbers 2. Handle localization properties 3. Use Locale and ResourceBundle
Topic 2: Java Stream API	- Stream processing 1. Use findFirst, findAny, and match methods 2. Sort and filter data using streams 3. Use map, flatMap, and peek 4. Collect and group stream results 5. Use Optional
Topic 3: Java Class Design	- Object-oriented principles 1. Use static variables, methods, and initialization blocks 2. Create singleton and immutable classes 3. Implement encapsulation 4. Override equals, hashCode, and toString 5. Implement inheritance and polymorphism
Topic 4: Generics and Collections	- Collections framework 1. Iterate collections with Streams and forEach 2. Use Comparator and Comparable 3. Use ArrayList, TreeSet, TreeMap, and ArrayDeque 4. Create and use generic classes
Topic 5: Java SE 8 Date/Time API	- Date and time handling 1. Format and parse date values 2. Use Period and Duration 3. Use LocalDate, LocalTime, and LocalDateTime
Topic 6: Java File I/O	- NIO.2 API 1. Use Path and Files classes 2. Read file attributes 3. Traverse directory structures
Topic 7: Advanced Java Class Design	- Advanced object-oriented features 1. Use enum types 2. Create nested and inner classes 3. Develop Lambda expressions 4. Use abstract classes and interfaces 5. Use the final keyword
Topic 8: Exceptions and Assertions	- Error handling 1. Create custom exceptions 2. Use try-catch and try-with-resources 3. Use assertions
Topic 9: Building Database Applications with JDBC	- Database connectivity 1. Use JDBC drivers and connections 2. Execute SQL statements 3. Process ResultSet data
Topic 10: Java Concurrency	- Multithreading 1. Use ExecutorService 2. Use synchronized blocks and locks 3. Use concurrent collections 4. Create and manage threads
Topic 11: Lambda Built-in Functional Interfaces	- Functional programming 1. Use Predicate, Consumer, Function, and Supplier 2. Use primitive functional interfaces 3. Use UnaryOperator and BinaryOperator
Topic 12: Java I/O Fundamentals	- Input and output 1. Use BufferedReader and BufferedWriter 2. Use serialization 3. Read and write files

Oracle Java SE 1z0-809日本語

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