Download Java SE 11 Programmer II.test-king.1z0-816.2020-04-22.1e.48q.vcex

File Info

Exam	Java SE 11 Programmer II
Number	1z0-816
File Name	Java SE 11 Programmer II.test-king.1z0-816.2020-04-22.1e.48q.vcex
Size	5.3 Mb
Posted	April 22, 2020
Downloads	42

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Demo Questions

Question 1

Given the code fragment:
Path currentFile = Paths.get(“/scratch/exam/temp.txt”);
Path outputFile = Paths get(“/scratch/exam/new.txt”);
Path directory = Paths.get(“/scratch/”);
Files.copy(currentFile, outputFile);
Files.copy(outputFile, directory);
Files.delete (outputFile);
The /scratch/exam/temp.txt file exists. The /scratch/exam/new.txt and /scratch/new.txt files do not exist.
What is the result?

A: /scratch/exam/new.txt and /scratch/new.txt are deleted.
B: The program throws a FileaAlreadyExistsException.
C: The program throws a NoSuchFileException.
D: A copy of /scratch/exam/new.txt exists in the /scratch directory and /scratch/exam/new.txt is deleted.

Correct Answer: C

Question 2

Which two are functional interfaces? (Choose two.)

Correct Answer: CE

Reference: http://tutorials.jenkov.com/java-functional-programming/functional-interfaces.html

Question 3

Given:

Which two interfaces can be used in lambda expressions? (Choose two.)

A: MyInterface1
B: MyInterface3
C: MyInterface5
D: MyInterface2
E: MyInterface4

Correct Answer: CD

Reference: https://dzone.com/articles/functional-interface-and-lambda-expression

Question 4

Given:

Examine these requirements:
Eliminate code duplication.
Keep constant the number of methods other classes may implement from this interface.
Which method can be added to meet these requirements?

Correct Answer: B

Question 5

Given:

Which one is correct?

A: An IllegalThreadStateException is thrown at run time.
B: Three threads are created.
C: The compilation fails.
D: Four threads are created.

Correct Answer: A

Question 6

Which code fragment does a service use to load the service provider with a Print interface?

A: private Print print = com.service.Provider.getInstance();
B: private java.util.ServiceLoader<Print> loader = ServiceLoader.load(Print.class);
C: private java.util.ServiceLoader<Print> loader = new java.util.ServiceLoader<>();
D: private Print print = new com.service.Provider.PrintImpl();

Correct Answer: B

Reference: https://docs.oracle.com/javase/8/docs/api/?java/util/ServiceLoader.html

Question 7

Examine these module declarations:

Which two statements are correct? (Choose two.)

A: The ServiceProvider module is the only module that, at run time, can provide the com.example.api API.
B: The placement of the com.example.api API in a separate module, ServiceAPI, makes it easy to install multiple provider modules.
C: The Consumer module should require the ServiceProvider module.
D: The ServiceProvider module should export the com.myimpl package.
E: The ServiceProvider module does not know the identity of a module (such as Consumer) that uses the com.example.api API.