Question 1

Which two statements are true about a class that is marked @Deprecated?

Options :

A : There Is always another class that can be used Instead of the deprecated class.

B : Using the class will cause the Java compiler to give a warning.

C : The class cannot be extended.

D : The author of the class wants to discourage people from using the class in any way.

E : Using the class Is guaranteed to cause errors at runtime.

Answer: B,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

Given: 2021-04-27-22-23-17-3d4ddcb379cef75d65c8f83ed91c42db What is the result?

Options :

A : 6910 3

B : 10126 3

C : 3

D : 6104 3

Answer: D

Question 4

Which two commands are used to identify class and module dependencies? (Choose two.)

Options :

A : jmod describe

B : java Hello.java

C : jdeps --list-deps

D : jar --show-module-resolution

E : java --show-module-resolution

Answer: A,C

Question 5

Given: 222 and 222 What is the result?

Options :

A : A NullPointerException is thrown at run time.

B : The compilation fails.

C : 1Nullnull

D : 111

E : A ClassCastException is thrown at run time.

Answer: B