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Oracle 1Z0-809 Exam
Exam Name: Java SE 8 Programmer II
Exam Code:
1Z0-809
Related Certification(s): Oracle Java Certification
Certification Provider: Oracle
Actual Exam Duration: 150 Minutes
Number of 1Z0-809 practice questions in our database:
196 (updated: May. 12, 2024)
Expected 1Z0-809 Exam Topics, as suggested by Oracle :
- Topic 1: Develop Code That Uses Static Keyword On Initialize Blocks, Variables, Methods, And Classes
- Topic 2: Develop Code To Extract Data From An Object Using Peek() And Map() Methods Including Primitive Versions Of The Map() Method
- Topic 3: Implement Inheritance Including Visibility Modifiers And Composition/ Use Method References With Streams
- Topic 4: Create And Use Arraylist, Treeset, Treemap, And Arraydeque Objects/ Override Hashcode, Equals, And Tostring Methods From Object Class
- Topic 5: Search For Data By Using Search Methods Of The Stream Classes Including Findfirst, Findany, Anymatch, Allmatch, Nonematch
- Topic 6: Save Results To A Collection Using The Collect Method And Group/Partition Data Using The Collectors Class
- Topic 7: Work With Dates And Times Across Timezones And Manage Changes Resulting From Daylight Savings Including Format Date And Times Values
- Topic 8: Create And Use Singleton Classes And Immutable Classes/ Use Java.Util.Comparator And Java.Lang.Comparable Interfaces
- Topic 9: Develop Code That Uses Stream Data Methods And Calculation Methods/ Iterate Using Foreach Methods Of Streams And List
- Topic 10: 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 11: 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 12: Describe Stream Interface And Stream Pipeline/ Create Inner Classes Including Static Inner Class, Local Class, Nested Class, And Anonymous Inner Class
- Topic 13: Use The Built-In Interfaces Included In The Java.Util.Function Package Such As Predicate, Consumer, Function, And Supplier
- Topic 14: Use Enumerated Types Including Methods, And Constructors In An Enum Type/ Implement Polymorphism/ Create And Use A Generic Class
- Topic 15: Develop Code That Declares, Implements And/Or Extends Interfaces And Use The @Override Annotation/ Develop Code That Uses The Optional Class
- Topic 16: Develop Code That Uses Primitive Versions Of Functional Interfaces/ Develop Code That Uses Abstract Classes And Methods
- Topic 17: Develop Code That Uses Binary Versions Of Functional Interfaces/ Use Autoclose Resources With A Try-With-Resources Statement
- Topic 18: Develop Code That Uses The Unaryoperator Interface/ Create Custom Exceptions And Auto-Closeable Resources/ Lambda Built-In Functional Interfaces
- Topic 19: Use Catch, Multi-Catch, And Finally Clauses/ Use Flatmap() Methods In The Stream API/ Develop Code That Uses The Final Keyword
Disscuss Oracle 1Z0-809 Topics, Questions or Ask Anything Related
Free Oracle 1Z0-809 Exam Actual Questions
Note: Premium Questions for 1Z0-809 were last updated On May. 12, 2024 (see below)
Question #1
Given the code fragments:
and
Which two modifications enable to sort the elements of the emps list? (Choose two.)
Correct Answer:
B, C
Question #2
Question #3
Given that dat
a.txt and alldata.txt are accessible, and the code fragment:
What is required at line n1 to enable the code to overwrite alldata.txt with data.txt?
Correct Answer:
D
Question #4
Given the Greetings.properties file, containing:
and given:
What is the result?
Correct Answer:
A
Question #5
Given that dat
a.txt and alldata.txt are accessible, and the code fragment:
What is required at line n1 to enable the code to overwrite alldata.txt with data.txt?
Correct Answer:
D
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