Practice Examples and Dumps & Tips for 2023 Latest 1Z0-819 Valid Tests Dumps [Q20-Q42]

QUESTION 20
Given:

What is the result?

QUESTION 21
Given the Person class with age and name along with getter and setter methods, and this code fragment:

What will be the result?

QUESTION 22
Which two are functional interfaces? (Choose two.)

QUESTION 23
Which module-info.java is correct for a service provider for a print service defined in the PrintServiceAPI module?

QUESTION 24
Given:

What is the result?

QUESTION 25
Given:

What is the result?

QUESTION 26
Which two modules include APIs in the Java SE Specification? (Choose two.)

QUESTION 27
Your organization makes mlib.jar available to your cloud customers. While working on a code cleanup project for mlib.jar, you see this method by customers:

What security measures should be added to this method so that it meets the requirements for a customer accessible method?

QUESTION 28
Given:

What is the result?

QUESTION 29
Given:

A) An exception is thrown at run time.
B)

C) The compilation fails due to an error on line 2.
D) The compilation fails due to an error on line 1.
E)

F)
The compilation fails due to an error on line 3.

QUESTION 30
Given:
var data = new ArrayList<>();
data.add(“Peter”);
data.add(30);
data.add(“Market Road”);
data.set(1, 25);
data.remove(2);
data.set(3, 1000L);
System.out.print(data);
What is the output?

QUESTION 31
Given:

What is the result?

QUESTION 32
Given an application with a main module that has this module-info.java file:

Which two are true? (Choose two.)

QUESTION 33
Given:

Which two method implementations are correct, when inserted independently in line 1? (Choose two.)

QUESTION 34
Given the declaration:

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

QUESTION 35
Given:

What will secure this code from a potential Denial of Service condition?

QUESTION 36
Given the code fragment:

You want to examine whether path is a directory.
Which code inserted on line 1 will accomplish this?

QUESTION 37
Given the code fragment:

What is the result?

QUESTION 38
Given:

What is the result?

QUESTION 39
Given the Customer table structure:
* ID Number Primary Key
* NAME Text Nullable
Given code fragment:

Which statement inserted on line 14 sets NAME column to a NULL value?

QUESTION 40
Given:

You wants to make the reduction operation parallelized.
Which two modifications will accomplish this?

QUESTION 41
Given:

executed with this command:
java Main one two three
What is the output of this class?

QUESTION 42
Given:

What is the result?