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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:

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

What is the duration of the 1Z0-809 Exam

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

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

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.

Oracle 1z0-809日本語 Exam Syllabus Topics:

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