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Oracle 1Z0-809 Exam

Java SE 8 Programmer II

Last Updated: Jul 1, 2024
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196 Questions and Answers for the Oracle 1Z0-809 exam

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Oracle Java SE 8 Programmer II Syllabus
  • Develop Code That Uses Static Keyword On Initialize Blocks, Variables, Methods, And Classes
  • Develop Code To Extract Data From An Object Using Peek() And Map() Methods Including Primitive Versions Of The Map() Method
  • Implement Inheritance Including Visibility Modifiers And Composition/ Use Method References With Streams
  • Create And Use Arraylist, Treeset, Treemap, And Arraydeque Objects/ Override Hashcode, Equals, And Tostring Methods From Object Class
  • Search For Data By Using Search Methods Of The Stream Classes Including Findfirst, Findany, Anymatch, Allmatch, Nonematch
  • Save Results To A Collection Using The Collect Method And Group/Partition Data Using The Collectors Class
  • Work With Dates And Times Across Timezones And Manage Changes Resulting From Daylight Savings Including Format Date And Times Values
  • Create And Use Singleton Classes And Immutable Classes/ Use Java.Util.Comparator And Java.Lang.Comparable Interfaces
  • Develop Code That Uses Stream Data Methods And Calculation Methods/ Iterate Using Foreach Methods Of Streams And List
  • Create And Manage Date-Based And Time-Based Events Including A Combination Of Date And Time Into A Single Object Using Localdate, Localtime, Localdatetime
  • Define And Create And Manage Date-Based And Time-Based Events Using Instant, Period, Duration, And Temporalunit/ Filter A Collection By Using Lambda Expressions
  • Describe Stream Interface And Stream Pipeline/ Create Inner Classes Including Static Inner Class, Local Class, Nested Class, And Anonymous Inner Class
  • Use The Built-In Interfaces Included In The Java.Util.Function Package Such As Predicate, Consumer, Function, And Supplier
  • Use Enumerated Types Including Methods, And Constructors In An Enum Type/ Implement Polymorphism/ Create And Use A Generic Class
  • Develop Code That Declares, Implements And/Or Extends Interfaces And Use The @Override Annotation/ Develop Code That Uses The Optional Class
  • Develop Code That Uses Primitive Versions Of Functional Interfaces/ Develop Code That Uses Abstract Classes And Methods
  • Develop Code That Uses Binary Versions Of Functional Interfaces/ Use Autoclose Resources With A Try-With-Resources Statement
  • Develop Code That Uses The Unaryoperator Interface/ Create Custom Exceptions And Auto-Closeable Resources/ Lambda Built-In Functional Interfaces
  • Use Catch, Multi-Catch, And Finally Clauses/ Use Flatmap() Methods In The Stream API/ Develop Code That Uses The Final Keyword