Question 1

Given:

What is the result?

Options :

A : null

B : nothing

C : It fails to compile.

D : java.lang.IllegalAccessException is thrown.

E : Student

Answer: C

Question 2

You replace the code on line 1 to use ParallelStream.

Which one is correct?

Options :

A : The code will produce the same result.

B : The compilation fails.

C : A NoSuchElementException is thrown at run time.

D : The code may produce a different result.

Answer: D

Question 3

Given:

Which code fragment on line 1 makes the s1 set contain the names of all employees born before January 1, 1989?

Options :

A :

B :

C :

D :

Answer: B

Question 4

Given the code fragment:

What is the result?

Options :

A : false true true

B : true false false

C : false false true

D : false true false

Answer: D

Question 5

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

Options :

A : java.logging

B : java.desktop

C : javafx

D : jdk.httpserver

E : jdk.jartool

Answer: A,D

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