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Oracle Java SE 8 Programmer I can act as a prerequisite for this 1Z0-809 exam.

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Given that this exam is at the professional level of certification, candidates have a large amount of work to do. Therefore, the first thing that is recommended is to thoroughly review the complete list of topics available on the official exam page, which includes:

Localization. In particular how to read and set the locale by using the Locale object, to create and read a Properties file, and to build a recourse bundle for each locale.
I/O Fundamentals. It means the skill of reading and writing data from the console.
Exceptions and Assertions. In other words, how to use try-catch and throw statements, alongside creating custom exceptions and Auto-closeable resources.
Advanced Class Design. Specifically, candidates must demonstrate skills in how to implement encapsulation, polymorphism, and inheritance.
Stream API. It means the code development that uses optional class, Stream data, and calculation methods in addition to sorting a collection using Stream API.
Java Concurrency. The candidates must be able to create worker threads, as well as to use parallel Fork/Join Framework and parallel Streams.
Generics and Collections. This allows the candidate to create and use a generic class as well as ArrayList, TreeSet, TreeMap, and ArrayDeque objects.
NIO.2, Path Interface, and Files Class.

To apply for this Oracle certification test, you should first pay $245 for a voucher. After that, go to Pearson VUE and log into your account. Enter the exam code, which should be 1Z0-809, and follow the instructions that will pop up.

Oracle 1z0-809 Exam Syllabus Topics:

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

Oracle 1z0-809

About Oracle 1z0-809 Exam Questions and Answers

High efficient learning for the 1z0-809 exam dump

Certification Path

Supporting online and offline study for the 1z0-809 exam app version

Quick and safe payment for the 1z0-809 exam dump

Given that this exam is at the professional level of certification, candidates have a large amount of work to do. Therefore, the first thing that is recommended is to thoroughly review the complete list of topics available on the official exam page, which includes:

Oracle 1z0-809 Exam Syllabus Topics:

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