Question 1

Given: 222 and: 222 Which code, when inserted on line 10, prints the number of unique localities from the roster list?

Options :

A : .map(Employee::getLocality).distinct().count();

B : map(e > e.getLocality()).count();

C : .map(e > e.getLocality()).collect(Collectors.toSet()).count();

D : .filter(Employee::getLocality).distinct().count();

Answer: D

Question 2

Examine these module declarations:Which two statements are correct? (Choose two.)

Options :

A : The ServiceProvider module is the only module that, at run time, can provide the com.example.api API.

B : The placement of the com.example.api API in a separate module, ServiceAPI, makes it easy to install multiple provider modules.

C : The Consumer module should require the ServiceProvider module.

D : The ServiceProvider module should export the com.myimpl package.

E : The ServiceProvider module does not know the identity of a module (such as Consumer) that uses the com.example.api API.

Answer: A,C

Question 3

Which two var declarations are correct? (Choose two.)

Options :

A : var names = new ArrayList<>();

B : var _ = 100;

C : var var = “hello”;

D : var y = null;

E : var a;

Answer: A,C

Question 4

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

Options :

A : module PrintServiceProvider {requires PrintServiceAPI;exports org.printservice.spi;}

B : module PrintServiceProvider {requires PrintServiceAPI;provides org.printservice.spi.Print withcom.provider.PrintService;}

C : module PrintServiceProvider {requires PrintServiceAPI;uses com.provider.PrintService;}

D : module PrintServiceProvider {requires PrintServiceAPI;exports org.printservice.spi.Print withD18912E1457D5D1DDCBD40AB3BF70D5Dcom.provider.PrintService;}

Answer: A

Question 5

Given: 222 Which annotation should be used to remove warnings from compilation?

Options :

A : @SuppressWarnings on the main and print methods

B : @SuppressWarnings(''unchecked'') on main and @SafeVarargs on the print method

C : @SuppressWarnings(''rawtypes'') on main and @SafeVarargs on the print method

D : @SuppressWarnings(''all'') on the main and print methods

Answer: B