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Oracle 1z1-809 Exam Syllabus Topics:

SectionObjectives
Java SE 8 Date/Time API- Date and time handling
  • 1. Use LocalDate, LocalTime, and LocalDateTime
  • 2. Use Period and Duration
  • 3. Format and parse date values
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
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
Exceptions and Assertions- Error handling
  • 1. Create custom exceptions
  • 2. Use try-catch and try-with-resources
  • 3. Use assertions
Java Concurrency- Multithreading
  • 1. Use concurrent collections
  • 2. Create and manage threads
  • 3. Use ExecutorService
  • 4. Use synchronized blocks and locks
Java I/O Fundamentals- Input and output
  • 1. Use serialization
  • 2. Use BufferedReader and BufferedWriter
  • 3. Read and write files
Building Database Applications with JDBC- Database connectivity
  • 1. Use JDBC drivers and connections
  • 2. Process ResultSet data
  • 3. Execute SQL statements
Java File I/O- NIO.2 API
  • 1. Read file attributes
  • 2. Use Path and Files classes
  • 3. Traverse directory structures
Advanced Java Class Design- Advanced object-oriented features
  • 1. Use enum types
  • 2. Develop Lambda expressions
  • 3. Use the final keyword
  • 4. Use abstract classes and interfaces
  • 5. Create nested and inner classes
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. Format dates and numbers
  • 2. Use Locale and ResourceBundle
  • 3. Handle localization properties
Lambda Built-in Functional Interfaces- Functional programming
  • 1. Use Predicate, Consumer, Function, and Supplier
  • 2. Use UnaryOperator and BinaryOperator
  • 3. Use primitive functional interfaces

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