Most Recent Oracle 1Z0-819 Exam Dumps

Prepare for the Oracle Java SE 11 Developer exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Oracle 1Z0-819 exam and achieve success.

The questions for 1Z0-819 were last updated on Apr 1, 2025.

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Question No. 1

Given:

Which two statements are valid to be written in this interface? (Choose two.)

Apublic abstract void methodB();

Bfinal void methodG(){System.out.println(''G'');}

Cprivate abstract void methodC();

Dpublic String methodD();

Epublic int x;

Ffinal void methodE();

Gpublic void methodF(){System.out.println(''F'');}

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Correct Answer: A, D

Question No. 2

Given the contents:

MessageBundle.properties file:

message=Hello

MessageBundle_en.properties file:

message=Hello (en)

MessageBundle_US.properties file:

message=Hello (US)

MessageBundle_en_US.properties file:

message=Hello (en_US)

MessageBundle_fr_FR.properties file:

message=Bonjour

and the code fragment:

Locale.setDefault(Locale.FRANCE);

Locale currentLocale = new Locale.Builder().setLanguage(''en'').build();

ResourceBundle messages = ResourceBundle.getBundle(''MessageBundle'', currentLocale);

System.out. println(messages.getString(''message''));

Which file will display the content on executing the code fragment?

AMessageBundle_en_US.properties

BMessageBundle_en.properties

CMessageBundle_fr_FR.properties

DMessageBundle_US.properties

EMessageBundle.properties

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Correct Answer: C

Question No. 3

Given:

What is the result?

Ab1

Cb2

Eb3

GThe compilation fails due to an error in line 1.

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Correct Answer: F

Question No. 4

Given the declaration:

Examine this code fragment:

/* Loc1 */ class ProcessOrders { ... }

Which two annotations may be applied at Loc1 in the code fragment? (Choose two.)

A@Resource(priority=100)

B@Resource(priority=0)

C@Resource(name=''Customer1'', priority=100)

D@Resource(name=''Customer1'')

E@Resource

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Correct Answer: A, B

Question No. 5

Given:

executed using command:

java Hello ''Hello World'' Hello World

What is the output?

AAn exception is thrown at runtime.

BHello WorldHello World

CHello World Hello World

DHello WorldHelloWorld

EHelloHello WorldHelloWorld

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Correct Answer: C

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