Difficulty in writing 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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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:

Exceptions and Assertions
Java Stream API
Generics and Collections
Building Database Applications with JDBC
Advanced Java Class Design
Java File I/O (NIO.2)
Java I/O Fundamentals
Lambda Built-in Functional Interfaces
Java Concurrency
Localization
Use Java SE 8 Date/Time API
Java Class Design

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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Oracle 1z1-809 Exam Syllabus Topics:

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

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