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?

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

Answer(s): C

Explanation:

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QUESTION: 2

Which two are functional interfaces? (Choose two.)

Answer(s): C,E

Reference:

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

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QUESTION: 3

Given the declaration:

Examine this code fragment:

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

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