Question 1

Given an application with a main module that has this module-info.java file:Which two are true? (Choose two.)

Options :

A : A module providing an implementation of country.CountryDetails can be compiled and added without recompiling the main module.

B : A module providing an implementation of country.CountryDetails must have a requires main; directive in its module-info.java file.

C : An implementation of country.countryDetails can be added to the main module.

D : To compile without an error, the application must have at least one module in the module source path that provides an implementation of country.CountryDetails.

E : To run without an error, the application must have at least one module in the module path that provides an implementation of country.CountryDetails

Answer: B,D

Question 2

Given:What is the result?

Options :

A : Ans: a

B : The compilation fails

C : Ans:

D : A java:util. NsuchElementException is thrown at runtime

Answer: D

Question 3

Which statement about access modifiers is correct?

Options :

A : An instance variable can be declared with the static modifier.

B : A local variable can be declared with the final modifier.

C : An abstract method can be declared with the private modifier.

D : An inner class cannot be declared with the public modifier.

E : An interface can be declared with the protected modifier.

Answer: B

Question 4

Which three guidelines are used to protect confidential information? (Choose three.)

Options :

A : Limit access to objects holding confidential information.

B : Clearly identify and label confidential information.

C : Manage confidential and other information uniformly.

D : Transparently handle information to improve diagnostics.

E : Treat user input as normal information.

F : Validate input before storing confidential information.

G : Encapsulate confidential information.

Answer: A,D

Question 5

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