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Oracle 1Z0-819 Certification Exam Questions & Practice Tests, Java SE 11 Developer | SPOTO

Explore our collection of Oracle 1Z0-819 Certification Exam Questions & Practice Tests, tailored for Java SE 11 Developers, here at SPOTO. Our platform provides a comprehensive array of resources including practice tests, free tests, exam practice materials, online exam questions, sample questions, exam dumps, mock exams, exam questions and answers, and other exam materials. Candidates preparing for this exam demonstrate a comprehensive understanding of the Java programming language, proficient coding practices, and adept utilization of new features integrated into Java SE 11. With the latest practice tests available, you can enhance your exam readiness and increase your chances of passing the certification exam successfully. Whether you're aiming to solidify your expertise in Java development or seeking career advancement opportunities, our practice tests are invaluable tools to help you succeed in achieving your certification goals. Boost your preparation today and embark on your journey to becoming a certified Java SE 11 Developer with SPOTO.

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Question #1
A company has an existing Java app that includes two Java 8 jar files, sales-3.10. jar and clients-10.2.jar.The jar file ,sales -8, 10, jar reference packages in clients -10.2 jar, but clients-10.2 jar does notreference packages in sales -8.10, jar.They have decided to modularize clients-10.2.jar.Which module-info. Java file would work for the new library version clients-10.3 jar?A)B)C)D)
A. Option A
B. Option B
C. Option C
D. Option D
View answer
Correct Answer: C
Question #2
Which two modules include APIs in the Java SE Specification? (Choose two.)
A. java
B. java
C. javafx
D. jdk
E. jdk
View answer
Correct Answer: C
Question #3
Given the code fragment:What is the result?A)B)C)D)
A. Option A
B. Option B
C. Option C
D. Option D
View answer
Correct Answer: C
Question #4
Given:What is the result?
A. Take extra care
B. The program prints nothing
C. Take extra care Take extra care
D. An exception is thrown at runtime
View answer
Correct Answer: D
Question #5
Given this enum declaration: Examine this code: System.out.println(Alphabet.getFirstLetter()); What code should be written at line 3 to make this code print A?
A. final String getFirstLetter() { return A
B. static String getFirstLetter() { return Alphabet
C. static String getFirstLetter() { return A
D. String getFirstLetter() { return A
View answer
Correct Answer: AB
Question #6
Given:What is the result?A)B)C)D)
A. Option A
B. Option B
C. Option C
D. Option D
View answer
Correct Answer: A
Question #7
Given:You want to examine the items list it contains an item for which the variable count is below zero.Which code fragment at line 1 accomplish this?
A. If (items
B. If (items
C. If (items
D. If (items
View answer
Correct Answer: A
Question #8
Given the code fragment:What is the result?
A. 13 5 7 9
B. 1 3 5 7 9 11
C. 2 4 6 B 10
D. 2 4 6 8
View answer
Correct Answer: B
Question #9
What is the result?
A. 85
B.
C. he compilation fails
D. 0
E. 5
View answer
Correct Answer: A
Question #10
Given:What is the result?
A. 2134
B. 234
C. 2341
D. 214
View answer
Correct Answer: A
Question #11
You want to calculate the average of the Player's score. Which statement inserted on line 1 will accomplish this?
A. layers
B. layers
C. layers
D. layers
View answer
Correct Answer: B
Question #12
How many Thing objects are eligible for garbage collection in line 1?
A. 3
B. 2
C. 0
D. 1
E. 4
View answer
Correct Answer: D
Question #13
Given the code fragment:Which two statement inserted independently at line 1 enable this code to print PRRT?
A. i—;
B. continue b;
C. break b;
D. j--;
E. continue a;
F. break a ;
View answer
Correct Answer: F
Question #14
Given the code fragment: Which can replace line 2?
A. naryOperator u = (int i) -> i * 2;
B. naryOperator u = (var i) -> (i * 2);
C. naryOperator u = var i -> { return i * 2; };
D. naryOperator u = i -> { return i * 2);
View answer
Correct Answer: B
Question #15
Given:You want to implement the java. Io, serializable interface to the MypersisteneData class.Which method should be overriden?
A. The readExternal and writeExternal method
B. The readExternal method
C. The writeExternal method
D. nothing
View answer
Correct Answer: A
Question #16
What is the type of x?
A. char
B. List
C. String
D. List
View answer
Correct Answer: BE
Question #17
Given the Customer table structure: ID Number Primary Key NAME Text NullableGiven code fragment:Which statement inserted on line 14 sets NAME column to a NULL value?
A. Stmt
B. Stmt
C. Stmt
D. Stmt
View answer
Correct Answer: A
Question #18
Given the code fragment:What is the result?
A. 2
B. -1
C. 1
D. -3
View answer
Correct Answer: A
Question #19
Given:A) An exception is thrown at run time.B)C) The compilation fails due to an error on line 2.D) The compilation fails due to an error on line 1.E)F)The compilation fails due to an error on line 3.
A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
F. Option F
View answer
Correct Answer: A
Question #20
Given:What is the result?
A. Keys: 4 Values: 4 Map: 0
B. Keys: 4 Values: 4 Map: 4
C. The compilation fails
D. Keys: 0 Values: 0 Map:
E. Keys: 0 Values: 0 Map: 0
View answer
Correct Answer: B
Question #21
Which statement on line 1 enables this code fragment to compile?
A. Function function = String::toUpperCase;
B. UnaryOperator function = s > s
C. UnaryOperator function = String::toUpperCase;
D. Function function = m > m
View answer
Correct Answer: C
Question #22
Given:Which three classes successfully override showFirst ()?A)B)C)D)E)F)
A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
F. Option F
View answer
Correct Answer: C
Question #23
Why would you choose to use a peek operation instead of a forEach operation on a Stream?
A. o process the current item and return void
B. o remove an item from the end of the stream
C. o process the current item and return a stream
D. o remove an item from the beginning of the stream
View answer
Correct Answer: C
Question #24
What is the output?
A. 2 [1, 2, 3, four] 3 four
B. 2 [1, 2, 3, 4] 3 4
C. 2 [1, 2, 3, 4] 3 four
D. 2 [1, 2, 3, four] 3 4
View answer
Correct Answer: B

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