Oracle Oracle Certifications 1Z0-819 Questions & Answers

• Question 121:

  Given the code fragment:

  

  Which code fragment replaces the for statement?

  A. IntStream.rangeClosed(l, 100).map(FizzBuzz::convert).forEach(System.out::println);

  B. IntStream.ranged, 100).map(FizzBuzz::convert).forEach(System.out::println);

  C. intstream.rangeclosed(l, 100).mapToObj{FizzBuzz::convert).forEach(System.out::printIn);

  D. IntStream.range(1, 100).mapToObj(FizzBuzz::convert).forEach(System.out::println);

  Correct Answer: A

• Question 122:

  Which two statements are correct about try blocks? (Choose two.)

  A. A try block can have more than one catch block.

  B. A finally block in a try-with-resources statement executes before the resources declared are closed.

  C. A finally block must be immediately placed after the try or catch blocks.

  D. A try block must have a catch block and a finally block.

  E. catch blocks must be ordered from generic to specific exception types.

  Correct Answer: AC

• Question 123:

  Given:

  List longlist = List.of("Hello","World","Beat");

  List shortlist = new ArrayList<>();

  Which code fragment correctly forms a short list of words containing the letter "e"?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: D

• Question 124:

  Given:

  

  How many LocalDate objects are created in this example?

  A. 2

  B. 3

  C. 4

  D. 5

  Correct Answer: A

• Question 125:

  Given:

  

  What is the output?

  A. 300

  B. Exception

  C. 200

  D. 100

  Correct Answer: A

  

• Question 126:

  Given:

  

  What is the result?

  A. null

  B. Joe Bloggs

  C. The compilation fails due to an error in line 1.

  D. p1

  Correct Answer: C

  

• Question 127:

  Given the code fragment:

  

  What is the result?

  A. 0 8 10

  B. 0

  C. The code prints nothing.

  D. 0 4 9

  E. 0 8

  Correct Answer: E

  

• Question 128:

  Given:

  

  Which code fragment on line 1 makes the m map contain the employee with the highest salary for each neighborhood?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: C

• Question 129:

  Given the Person class with age and name along with getter and setter methods, and this code fragment:

  

  What will be the result?

  A. Aman Tom Peter

  B. Tom Aman Peter

  C. Aman Peter Tom

  D. Tom Peter Aman

  Correct Answer: C

• Question 130:

  Given:

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: D