Question 1

What is the result?

Options :

A : 9001: java.io.FileNotFoundException: MyFile.txt-MyFile.txt

B :

9001: APPLICATION ERROR-9001-MyFile.txt 9001: java.io.FileNotFoundException: MyFile.txt-MyFile.txt

C : 9001: APPLICATION ERROR-9001-MyFile.txt

D : Compilations fails at Line 1.

Answer: D

Question 2

Analyze the code:

Which two options can you insert inside println method to produce Global:namescope? (Choose two.)

Options :

A : Test.prefix+Test.name

B : new Test().prefix+new Test().name

C : Test.prefix+Test.getName()

D : Test.getName+prefix

E : prefix+Test.name

F : prefix+name

Answer: B,C

Question 3

Given:

2021-04-27-22-23-17-3d4ddcb379cef75d65c8f83ed91c42db

executed with this command:

java Main one two three

What is the output of this class?

Options :

A : The compilation fails.

B : one2) two3) three

C : A java.lang.ArrayIndexOutOfBoundsException is thrown.

D : one

E : nothing

Answer: B

Question 4

Given:

What is the result?

Options :

A : 6910 3

B : 10126 3

C : 3

D : 6104 3

Answer: D

Question 5

Given:

You want to calculate the average of the Player’s score.

Which statement inserted on line 1 will accomplish this?

Options :

A : players.stream().average().orElse(0.0);

B : players.stream().mapToInt(a -> a.score).average().orElse(0.0);

C : players.stream().mapToDouble(a -> a.score).average();

D : players.stream().map(a -> a.score).average();

Answer: B

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