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1z0-809 Exam Dumps - Oracle Java SE Questions and Answers

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Questions 4

Given the code fragment:

public static void main (String [ ] args) throws IOException {

BufferedReader br = new BufferedReader (new InputStremReader (System.in));

System.out.print (“Enter GDP: “);

//line 1

}

Which code fragment, when inserted at line 1, enables the code to read the GDP from the user?

Options:

A.

int GDP = Integer.parseInt (br.readline());

B.

int GDP = br.read();

C.

int GDP = br.nextInt();

D.

int GDP = Integer.parseInt (br.next());

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Questions 5

Given the code fragment:

List list1 = Arrays.asList(10, 20);

List list2 = Arrays.asList(15, 30);

//line n1

Which code fragment, when inserted at line n1, prints 10 20 15 30?

Options:

A.

Stream.of(list1, list2).flatMap(list -> list.stream()).forEach(s -> System.out.print(s + “ “));

B.

Stream.of(list1, list2).flatMap(list -> list.intStream()).forEach(s -> System.out.print(s + “ “));

C.

list1.stream().flatMap(list2.stream().flatMap(e1 -> e1.stream()).forEach(s -> System.out.println(s + “ “));

D.

Stream.of(list1, list2).flatMapToInt(list -> list.stream()).forEach(s -> System.out.print(s + “ “));

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Questions 6

Given:

Which two interfaces can you use to create lambda expressions? (Choose two.)

Options:

A.

T

B.

R

C.

P

D.

S

E.

Q

F.

U

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Questions 7

Given the code fragment:

What is the result?

Options:

A.

Word: why what when

B.

Word: why Word: why what Word: why what when

C.

Word: why Word: what Word: when

D.

Compilation fails at line n1.

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Exam Code: 1z0-809
Exam Name: Java SE 8 Programmer II
Last Update: Nov 21, 2024
Questions: 196
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