1z0-816 sample questions

Question 1

Given:

Which statement is equivalent to line 1?

Accepted Answer

double totalsalary = list.stream().map(Employee::getSalary * ratio).reduce(bo).orElse(0.0);

Answer

double totalsalary = list.stream().map(e -> e.getSalary() * ratio).reduce(bo).ifPresent (p -> p.doubleValue());

Answer

double totalsalary = list.stream().mapToDouble(e -> e.getSalary() * ratio).sum;

Answer

double totalsalary = list.stream().mapToDouble(e -> e.getSalaryQ * ratio).reduce(starts, bo);

Question 2

Given:

After which line can we insert assert i < 0 || values[i] <= values[i + 1]; to verify that the values array is partially sorted?

Accepted Answer

after line 6

Answer

after line 8

Answer

after line 5

Answer

after line 10

Question 3

Which is a proper JDBC URL?

Accepted Answer

dbc:mysql://localhost:3306/database

Answer

dbe.mysql.com://localhost:3306/database

Answer

http://localhost.mysql.com:3306/database

Answer

http://localhost mysql.jdbc:3306/database

Question 4

Which code fragment does a service use to load the service provider with a Print interface?

Accepted Answer

private java.util.ServiceLoader loader = ServiceLoader.load(Print.class);

Answer

private Print print = com.service.Provider.getlnstance();

Answer

private java.util.ServiceLoader loader - new java.util.ServiceLoader ();

Answer

private Print print = new com.service.Provider.Printlmpl();

Question 5

Given:

You want to obtain the Stream object on reading the file.

Which code inserted on line 1 will accomplish this?

Accepted Answer

var lines = Files.readAIILines(Paths.get(INPUT_FILE_NAME));

Answer

var lines = Files.lines(Paths.get(INPUT_FILE_NAME));

Answer

stream lines = Files.readAIILines(Paths.get(INPUT_FILE_NAME));

Answer

Stream lines = Files.lines(INPUT_FILE_NAME);

Question 6

Given:

Which option should you choose to enable the code to print Something happened?

Accepted Answer

Add extends Exception on line 1.
Add extends GeneralException on line 2.

Answer

Add extends GeneralException on line 1.
Add extends Exception on line 2.

Answer

Add extends SpecificException on line 1.
Add extends GeneralException on line 2.

Answer

Add extends Exception on line 1.
Add extends Exception on line 2.

Free 1z0-816 sample questions