Download Oracle.1z0-816.TestKing.2020-04-22.48q.tqb
| Vendor: | Oracle |
| Exam Code: | 1z0-816 |
| Exam Name: | Java SE 11 Programmer II |
| Date: | Apr 22, 2020 |
| File Size: | 5 MB |
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?
- /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.
Correct answer: C
Explanation:
Question 2
Which two are functional interfaces? (Choose two.)
Correct answer: CE
Explanation:
Reference: http://tutorials.jenkov.com/java-functional-programming/functional-interfaces.html 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.)
- MyInterface1
- MyInterface3
- MyInterface5
- MyInterface2
- MyInterface4
Correct answer: CD
Explanation:
Reference: https://dzone.com/articles/functional-interface-and-lambda-expression Reference: https://dzone.com/articles/functional-interface-and-lambda-expression
