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Oracle 1Z0-819 Practice Tests, Mock Tests & Study Resources, Java SE 11 Developer | SPOTO

Welcome to our premium resource hub offering Oracle 1Z0-819 Practice Tests & Real Exam Simulations, tailored for Java SE 11 Developers. Our platform provides a comprehensive suite of study materials, including practice tests, exam practice resources, online exam questions, sample questions, exam dumps, mock exams, exam questions and answers, and other exam materials. Whether you're preparing to advance your career or seeking to validate your expertise in Java development, our premium practice tests and real exam simulations are meticulously designed to support your journey towards certification success. With the latest practice tests available, you'll be well-prepared to excel in passing the certification exam and achieving your professional goals.

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Question #1
Assuming the Widget class has a getPrice method, this code does not compile: Which two statements, independently, would allow this code to compile? (Choose two.)
A. Replace line 5 with widgetStream
B. Replace line 1 with List widgetStream = widgets
C. Replace line 5 with widgetStream
D. Replace line 4 with Stream widgetStream = widgets
View answer
Correct Answer: AD

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Question #2
You want the code to produce this output: John Joe Jane Which code fragment should be inserted on line 1 and line 2 to produce the output?
A. Insert Comparator on line 1
B. Insert Comparator on line 1
C. Insert Comparable on line 1
D. Insert Comparator on line 1
View answer
Correct Answer: A
Question #3
What is the result?
A. 42
B. The compilation fails due to an error in line 4
C. 17
D. The compilation fails due to an error in line 3
E. The compilation fails due to an error in line 2
F. The compilation fails due to an error in line 1
View answer
Correct Answer: AC
Question #4
Given the code fragment: var pool = Executors.newFixedThreadPool(5); Future outcome = pool.submit(() > 1); Which type of lambda expression is passed into submit()?
A. java
B. java
C. java
D. java
View answer
Correct Answer: A
Question #5
Which code fragment does a service use to load the service provider with a Print interface?
A. private Print print = com
B. private java
C. private java
D. private Print print = new com
View answer
Correct Answer: C
Question #6
var numbers = List.of(0,1,2,3,4,5,6,7,8,9); You want to calculate the average of numbers. Which two codes will accomplish this? (Choose two.)
A. double avg = numbers
B. double avg = numbers
C. double avg = numbers
D. double avg = numbers
E. double avg = numbers
View answer
Correct Answer: D
Question #7
List longlist = List.of(“Hello”,”World”,”Beat”); List shortlist = new ArrayList<>(); Which code fragment correctly forms a short list of words containing the letter “e”?
A. Option A
B. Option B
C. Option C
D. Option D
View answer
Correct Answer: A

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