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Home > Oracle > Java SE > 1z1-809

Oracle 1z1-809

1z1-809

Exam Code: 1z1-809

Exam Name: Java SE 8 Programmer II

Updated: Aug 18, 2026

Q & A: 209 Questions and Answers

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About Oracle 1z1-809 Exam

Oracle 1z1-809 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Define And Create And Manage Date-Based And Time-Based Events Using Instant, Period, Duration, And Temporalunit
  • Filter A Collection By Using Lambda Expressions
Topic 2
  • Use Catch, Multi-Catch, And Finally Clauses
  • Use Flatmap() Methods In The Stream API
  • Develop Code That Uses The Final Keyword
Topic 3
  • Work With Dates And Times Across Timezones And Manage Changes Resulting From Daylight Savings Including Format Date And Times Values
Topic 4
  • Use The Built-In Interfaces Included In The Java.Util.Function Package Such As Predicate, Consumer, Function, And Supplier
Topic 5
  • Create And Use Singleton Classes And Immutable Classes
  • Use Java.Util.Comparator And Java.Lang.Comparable Interfaces
Topic 6
  • Create And Manage Date-Based And Time-Based Events Including A Combination Of Date And Time Into A Single Object Using Localdate, Localtime, Localdatetime
Topic 7
  • Save Results To A Collection Using The Collect Method And Group
  • Partition Data Using The Collectors Class
Topic 8
  • Use Enumerated Types Including Methods, And Constructors In An Enum Type
  • Implement Polymorphism
  • Create And Use A Generic Class
Topic 9
  • Search For Data By Using Search Methods Of The Stream Classes Including Findfirst, Findany, Anymatch, Allmatch, Nonematch
Topic 10
  • Develop Code That Uses The Unaryoperator Interface
  • Create Custom Exceptions And Auto-Closeable Resources
  • Lambda Built-In Functional Interfaces
Topic 11
  • Develop Code That Uses Static Keyword On Initialize Blocks, Variables, Methods, And Classes
Topic 12
  • Describe Stream Interface And Stream Pipeline
  • Create Inner Classes Including Static Inner Class, Local Class, Nested Class, And Anonymous Inner Class
Topic 13
  • Implement Inheritance Including Visibility Modifiers And Composition
  • Use Method References With Streams
Topic 14
  • Develop Code To Extract Data From An Object Using Peek() And Map() Methods Including Primitive Versions Of The Map() Method
Topic 15
  • Develop Code That Uses Primitive Versions Of Functional Interfaces
  • Develop Code That Uses Abstract Classes And Methods

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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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.
  • Java Concurrency. The candidates must be able to create worker threads, as well as to use parallel Fork/Join Framework and parallel Streams.
  • Exceptions and Assertions. In other words, how to use try-catch and throw statements, alongside creating custom exceptions and Auto-closeable resources.
  • 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.
  • I/O Fundamentals. It means the skill of reading and writing data from the console.
  • 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.
  • Advanced Class Design. Specifically, candidates must demonstrate skills in how to implement encapsulation, polymorphism, and inheritance.

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.

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