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Question 1

Given:

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

What is the output?

Options :

A : 300

B : Exception

C : 200

D : 100

Answer: A

Question 2

Given: 2021-04-27-22-23-17-3d4ddcb379cef75d65c8f83ed91c42db Which statement on line 1 enables this code fragment to compile?

Options :

A : Function function = String::toUpperCase;

B : UnaryOperator function = s > s.toUpperCase();

C : UnaryOperator function = String::toUpperCase;

D : Function function = m > m.toUpperCase();

Answer: C

Question 3

Given:var fruits = List.of(''apple'', ''orange'', ''banana'', ''lemon'');You want to examine the first element that contains the character n. Which statement will accomplish this?

Options :

A : String result = fruits.stream().filter(f > f.contains(''n'')).findAny();

B : fruits.stream().filter(f > f.contains(''n'')).forEachOrdered(System.out::print);

C : Optional result = fruits.stream().filter(f > f.contains (''n'')).findFirst ();

D : Optional result = fruits.stream().anyMatch(f > f.contains(''n''));

Answer: B

Question 4

Which three initialization statements are correct? (Choose three.)

Options :

A : int x = 12_34;

B : short sh = (short)'A';

C : String contact# = ''(+2) (999) (232)'';

D : boolean true = (4 == 4);

E : float x = 1.99;

F : int[][] e = {{1,1},{2,2}};

G : byte b = 10;char c = b;

Answer: A,B

Question 5

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

Options :

A : 300

B : Exception

C : 200

D : 100

Answer: A