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Oracle 1Z0-809 Exam Topics

Oracle 1Z0-809 Exam

Java SE 8 Programmer II

Total Questions: 196

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Oracle 1Z0-809 Exam Overview :

Exam Name Java SE 8 Programmer II
Exam Code 1Z0-809
Actual Exam Duration 150 minutes
Expected no. of Questions in Actual Exam 85
Exam Registration Price $250
Official Information https://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=5001&get_params=p_exam_id:1Z0-809
See Expected Questions Oracle 1Z0-809 Expected Questions in Actual Exam
Take Self-Assessment Use Oracle 1Z0-809 Practice Test to Assess your preparation - Save Time and Reduce Chances of Failure

Oracle 1Z0-809 Exam Topics :

Section Objectives
Java Class Design
  •     Implement encapsulation
  •     Implement inheritance including visibility modifiers and composition
  •     Implement polymorphism
  •     Override hashCode, equals, and toString methods from Object class
  •     Create and use singleton classes and immutable classes
  •     Develop code that uses static keyword on initialize blocks, variables, methods, and classes
Advanced Java Class Design
  •     Develop code that uses abstract classes and methods
  •     Develop code that uses the final keyword
  •     Create inner classes including static inner class, local class, nested class, and anonymous inner class
  •     Use enumerated types including methods, and constructors in an enum type
  •     Develop code that declares, implements and/or extends interfaces and use the @Override annotation.
  •     Create and use Lambda expressions
Generics and Collections
  •     Create and use a generic class
  •     Create and use ArrayList, TreeSet, TreeMap, and ArrayDeque objects
  •     Use java.util.Comparator and java.lang.Comparable interfaces
  •     Collections Streams and Filters
  •     Iterate using forEach methods of Streams and List
  •     Describe Stream interface and Stream pipeline
  •     Filter a collection by using lambda expressions
  •     Use method references with Streams
Lambda Built-in Functional Interfaces
  •     Use  the built-in interfaces included in the java.util.function package such as Predicate, Consumer, Function, and Supplier
  •     Develop code that uses primitive versions of functional interfaces
  •     Develop code that uses binary versions of functional interfaces
  •     Develop code that uses the UnaryOperator interface

Java Stream API
  •     Develop code to extract data from an object using peek() and map() methods including primitive versions of the map() method
  •     Search for data by using search methods of the Stream classes including findFirst, findAny, anyMatch, allMatch, noneMatch
  •     Develop code that uses the Optional class
  •     Develop code that uses Stream data methods and calculation methods
  •     Sort a collection using Stream API
  •     Save results to a collection using the collect method and group/partition data using the Collectors class
  •     Use flatMap() methods in the Stream API
Exceptions and Assertions
  •     Use try-catch and throw statements
  •     Use catch, multi-catch, and finally clauses
  •     Use Autoclose resources with a try-with-resources statement
  •     Create custom exceptions and Auto-closeable resources
  •     Test invariants by using assertions
Use Java SE 8 Date/Time API
  •     Create and manage date-based and time-based events including a combination of date and time into a single object using LocalDate, LocalTime, LocalDateTime, Instant, Period, and Duration
  •     Work with dates and times across timezones and manage changes resulting from daylight savings including Format date and times values
  •     Define and create and manage date-based and time-based events using Instant, Period, Duration, and TemporalUnit
Java I/O Fundamentals
  •     Read and write data from the console
  •     Use BufferedReader, BufferedWriter, File, FileReader, FileWriter, FileInputStream, FileOutputStream, ObjectOutputStream, ObjectInputStream, and PrintWriter in the java.io package.

Java File I/O (NIO.2)
  •     Use Path interface to operate on file and directory paths
  •     Use Files class to check, read, delete, copy, move, manage metadata of a file or directory
  •     Use Stream API with NIO.2
Java Concurrency
  •    Create worker threads using Runnable, Callable and use an ExecutorService to concurrently execute tasks
  •     Identify potential threading problems among deadlock, starvation, livelock, and race conditions
  •     Use synchronized keyword and java.util.concurrent.atomic package to control the order of thread execution
  •     Use java.util.concurrent collections and classes including CyclicBarrier and CopyOnWriteArrayList
  •     Use parallel Fork/Join Framework
  •     Use parallel Streams including reduction, decomposition, merging processes, pipelines and performance.
Building Database Applications with JDBC
  •     Describe the interfaces that make up the core of the JDBC API including the Driver, Connection, Statement, and ResultSet interfaces and their relationship to provider implementations
  •     Identify the components required to connect to a database using the DriverManager class including the JDBC URL
  •     Submit queries and read results from the database including creating statements, returning result sets, iterating through the results, and properly closing result sets, statements, and connections

  •     Read and set the locale by using the Locale object
  •     Create and read a Properties file
  •     Build a resource bundle for each locale and load a resource bundle in an application

Updates in the Oracle 1Z0-809 Exam Topics:

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