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  1. Home
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  3. 1z0-816

Oracle 1z0-816 Exam (page: 1)
Oracle Java SE 11 Programmer II
Updated on: 11-Nov-2025

Viewing Page 1 of 17
1z0-816 PDF 80 Questions

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?

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

Answer(s): C

Explanation:



Which two are functional interfaces? (Choose two.)






Answer(s): C,E


Reference:

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



Given the declaration:


Examine this code fragment:

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

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

  1. @Resource(priority=100)
  2. @Resource(priority=0)
  3. @Resource(name=“Customer1”, priority=100)
  4. @Resource(name=“Customer1”)
  5. @Resource

Answer(s): A,B



Given:


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

  1. MyInterface1
  2. MyInterface3
  3. MyInterface5
  4. MyInterface2
  5. MyInterface4

Answer(s): C,D


Reference:

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



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?

  1. final String getFirstLetter() { return toString(); }
  2. static String getFirstLetter() { return Alphabet.values()[1].toString(); }
  3. static String getFirstLetter() { return A.toString(); }
  4. String getFirstLetter() { return A.toString(); }

Answer(s): C



Viewing Page 1 of 17



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