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Oracle 1Z0-809 Exam Questions

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: Apr. 03, 2025)
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
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Shonda

5 days ago
Design patterns are tested indirectly. Recognize common patterns like Singleton, Factory, and Builder. Practice implementing these patterns in Java 8 style.
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Shawn

9 days ago
Java SE 8 cert in the bag! Pass4Success made last-minute prep possible and effective.
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Hayley

21 days ago
The exam covers advanced class design. Be prepared for questions on inner classes, including anonymous and static nested classes. Study how to reference enclosing instances.
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Nadine

1 months ago
Security questions often involve policy files and permissions. Understand how to grant specific permissions and use the SecurityManager. Review signing and verifying JAR files.
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Sylvie

1 months ago
Oracle certified, thanks to Pass4Success! Their exam questions were right on target.
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Alfred

2 months ago
Concurrency is a major topic. Expect questions on the Fork/Join framework and parallel streams. Study the Callable interface and Future objects thoroughly.
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Kayleigh

2 months ago
The exam tests your knowledge of Java IO and NIO.2. Be ready for questions on Path, Files, and DirectoryStream. Understanding how to use try-with-resources is crucial.
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Son

2 months ago
Passed the Java cert in record time! Pass4Success provided exactly what I needed to prepare.
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Launa

3 months ago
I passed the Java SE 8 Programmer II exam, and the Pass4Success practice questions were a great help. There was a tricky question about using the `Stream` API to filter and collect data. I wasn't sure about the exact methods to use, but I got through it.
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Leanora

3 months ago
Generics and type inference questions can be tricky. Study wildcard types (? extends and ? super) and type erasure. Pass4Success really helped me grasp these concepts!
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Christa

3 months ago
JDBC questions often involve ResultSet manipulation. Understand different ResultSet types and concurrency modes. Practice writing queries and handling exceptions.
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Hector

3 months ago
Java SE 8 Programmer II cert achieved! Pass4Success's practice tests were invaluable.
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Sophia

4 months ago
Localization is an important topic. Expect questions on ResourceBundle and properties files. Practice with different Locale settings and formatting options.
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Nakita

4 months ago
Thrilled to share that I passed the Oracle Java SE 8 Programmer II exam. The practice questions from Pass4Success were invaluable. One question that had me scratching my head was about using the `LocalDate` and `DateTimeFormatter` classes. I wasn't entirely confident, but I managed to pass.
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Loreen

4 months ago
The exam covered a lot on the new Date and Time API. Be prepared for questions on LocalDate, LocalTime, and ZonedDateTime. Study period and duration calculations carefully.
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Carmelina

4 months ago
Oracle exam success! Couldn't have done it without Pass4Success's timely study resources.
upvoted 0 times
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Joni

4 months ago
I successfully passed the Java SE 8 Programmer II exam, and the Pass4Success practice questions were a big help. There was a question about creating and managing threads using the `ExecutorService`. I was a bit unsure about the correct implementation, but I still passed.
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Joesph

5 months ago
Watch out for tricky questions on default methods in interfaces. They may ask about inheritance and method resolution. Review the rules for default method conflicts and overriding.
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Stevie

5 months ago
Excited to announce that I passed the Oracle Java SE 8 Programmer II exam. The Pass4Success practice questions were very useful. One question that puzzled me was about handling multiple exceptions using multi-catch blocks. I wasn't entirely sure of the syntax, but I passed nonetheless.
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Noemi

5 months ago
Stream API questions are abundant. Practice with intermediate and terminal operations. Understanding lazy evaluation and short-circuiting is crucial. Thanks to Pass4Success for the great prep materials!
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Ena

5 months ago
Thrilled to be Java SE 8 certified! Pass4Success's questions were key to my quick preparation.
upvoted 0 times
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Xenia

5 months ago
I passed the Java SE 8 Programmer II exam, thanks to the practice questions from Pass4Success. There was a challenging question about using `Path` and `Files` classes for file operations. I wasn't sure about the exact methods to use, but I got through it.
upvoted 0 times
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Ashley

6 months ago
Just passed the Java SE 8 Programmer II exam! Lambda expressions were a key topic. Expect questions on functional interfaces and method references. Study the Predicate, Consumer, and Function interfaces thoroughly.
upvoted 0 times
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Ceola

6 months ago
Happy to share that I passed the Oracle Java SE 8 Programmer II exam. The Pass4Success practice questions were a lifesaver. One question that had me second-guessing was about setting up a JDBC connection using `DriverManager.getConnection()`. I wasn't entirely confident, but I still managed to pass.
upvoted 0 times
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Brandon

6 months ago
Aced the Oracle Java cert! Pass4Success made prep a breeze with their relevant exam material.
upvoted 0 times
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Nelida

6 months ago
Thank you for sharing your experience. It sounds like thorough preparation was key to your success.
upvoted 0 times
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Beata

6 months ago
Just cleared the Java SE 8 Programmer II exam! The practice questions from Pass4Success were a great resource. There was a tricky question about reading files using `Files.newBufferedReader()`. I was a bit unsure about the correct usage, but it all worked out in the end.
upvoted 0 times
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Charolette

7 months ago
Absolutely! Pass4Success made a huge difference in my preparation. Their exam questions were spot-on and helped me pass in a short time. I'm grateful for their resources!
upvoted 0 times
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Pamella

7 months ago
I recently passed the Oracle Java SE 8 Programmer II exam, and I must say, the Pass4Success practice questions were incredibly helpful. One question that stumped me was about using the `Predicate` functional interface in a lambda expression. I wasn't entirely sure how to implement it correctly, but I managed to pass regardless.
upvoted 0 times
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Cassi

7 months ago
Just passed the Java SE 8 Programmer II exam! Thanks Pass4Success for the spot-on practice questions.
upvoted 0 times
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Jame

9 months ago
My experience taking the Oracle Java SE 8 Programmer II exam was challenging yet rewarding. Thanks to Pass4Success practice questions, I was able to confidently tackle topics like using the static keyword and extracting data from objects using peek() and map() methods. One question that I remember struggling with was about developing code that uses static keyword on initialize blocks, but I was able to reason through it and pass the exam.
upvoted 0 times
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Skye

9 months ago
I recently passed the Java SE 8 Programmer II exam, thanks to Pass4Success for their spot-on practice questions! A key topic to focus on is Lambda expressions. Expect questions about functional interfaces and method references. Make sure you understand how to refactor anonymous classes into Lambda expressions and when to use them effectively. It's a game-changer for modern Java development!
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Desmond

10 months ago
I passed the Oracle Java SE 8 Programmer II exam with the help of Pass4Success practice questions. The exam covered topics like using the static keyword on initialize blocks, variables, methods, and classes. One question that stood out to me was related to extracting data from an object using the map() method, and I was unsure of the answer, but I still managed to pass.
upvoted 0 times
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Free Oracle 1Z0-809 Exam Actual Questions

Note: Premium Questions for 1Z0-809 were last updated On Apr. 03, 2025 (see below)

Question #1

Given the code fragment:

UnaryOperator uo1 = s -> s*2;line n1

List loanValues = Arrays.asList(1000.0, 2000.0);

loanValues.stream()

.filter(lv -> lv >= 1500)

.map(lv -> uo1.apply(lv))

.forEach(s -> System.out.print(s + '' ''));

What is the result?

Reveal Solution Hide Solution
Correct Answer: D

Question #2

Given:

and the command:

java Product 0

What is the result?

Reveal Solution Hide Solution
Correct Answer: C

Question #3

Given the code fragment:

List str = Arrays.asList (''my'', ''pen'', ''is'', ''your', ''pen'');

Predicate test = s -> {

int i = 0;

boolean result = s.contains (''pen'');

System.out.print(i++) + '':'');

return result;

};

str.stream()

.filter(test)

.findFirst()

.ifPresent(System.out ::print);

What is the result?

Reveal Solution Hide Solution
Correct Answer: A

Question #4

What is true about the jav

a.sql.Statement interface?

Reveal Solution Hide Solution
Correct Answer: D

Question #5

Given the code fragment:

What is the result?

Reveal Solution Hide Solution
Correct Answer: D

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