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Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819

The following will be discussed in the ORACLE 1Z0-006 exam dumps pdf:

• Use Java Streams to filter, transform and process data
• Perform decomposition and reduction, including grouping and partitioning on sequential and parallel streams
• Use a Java array and List, Set, Map and Deque collections, including convenience methods
• Use generics, including wildcards

Oracle Java SE 11 Developer Sample Questions (Q44-Q49):

NEW QUESTION # 44
Given:

Which two methods modify field values? (Choose two.)

• A. setGCount
• B. setACount
• C. setCCount
• D. setTCount
• E. setAllCounts

Answer: A,E
NEW QUESTION # 45
Given:

What is the result?

• A. Dr. Null
• B. Dr. Who
• C. An exception is thrown at runtime.
• D. null

Answer: D Explanation:

NEW QUESTION # 46
Examine these module declarations:

Which two statements are correct? (Choose two.)

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

Answer: C,D
NEW QUESTION # 47
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. The program throws a FileaAlreadyExistsException.
• B. The program throws a NoSuchFileException.
• C. /scratch/exam/new.txt and /scratch/new.txt are deleted.
• D. A copy of /scratch/exam/new.txt exists in the /scratch directory and /scratch/exam/new.txt is deleted.

Answer: B Explanation:

NEW QUESTION # 48
Given:

You want to implement the java. Io, serializable interface to the MypersisteneData class.
Which method should be overriden?

• A. nothing
• B. The readExternal method
• C. The readExternal and writeExternal method
• D. The writeExternal method

Answer: C
NEW QUESTION # 49
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