1Z0-809 Exam topics

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

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What is the duration of the 1Z0-809 Exam

Length of Examination: 150 minutes
Format: Multiple choices, multiple answers
Number of Questions: 85
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

Oracle 1z0-809 Exam Syllabus Topics:

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