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Free PDF 2025 Oracle Latest 1z1-809: Java SE 8 Programmer II Free Exam Dumps

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Oracle Java SE 8 Programmer II Sample Questions (Q165-Q170):

NEW QUESTION # 165
Given:
public interface Moveable<Integer> {
public default void walk (Integer distance) {System.out.println
("Walking");)
public void run(Integer distance);
}
Which statement is true?

A. Movablecannot be used in a lambda expression.
B. Moveablecan be used as below:
Moveable<Integer> animal = n - > n + 10;
animal.run(100);
animal.walk(20);
C. Moveablecan be used as below:
Moveable animal = (Integer n) - > System.out.println(n);
animal.run(100);
Moveable.walk(20);
D. Moveablecan be used as below:
Moveable<Integer> animal = n - > System.out.println("Running" + n);
animal.run(100);
animal.walk(20);

Answer: D

NEW QUESTION # 166
Given:

Which statement is true?

A. p, r, and s are accessible via obj.
B. Both r and s are accessible via obj.
C. Only s is accessible via obj.
D. Both p and s are accessible via obj.

Answer: C

NEW QUESTION # 167
Given the code fragment:

What is the result?

A. Val:10 Val:20 Val:30
B. Val:20 Val:40 Val:60
C. Val: Val: Val:
D. A compilation error occurs.

Answer: B

NEW QUESTION # 168
Given:

And given the commands:

What is the result?

A. Success
B. Compilation fails.
C. Failure
D. An exception is thrown at runtime.

Answer: C

NEW QUESTION # 169
Given the code fragment:
List<Integer> list1 = Arrays.asList(10, 20);
List<Integer> list2 = Arrays.asList(15, 30);
//line n1
Which code fragment, when inserted at line n1, prints 10 20 15 30?

A. list1.stream()
. flatMap(list2.stream().flatMap(e1 -> e1.stream())
. forEach(s -> System.out.println(s + " "));
B. Stream.of(list1, list2)
. flatMap(list -> list.intStream())
. forEach(s -> System.out.print(s + " "));
C. Stream.of(list1, list2)
. flatMapToInt(list -> list.stream())
. forEach(s -> System.out.print(s + " "));
D. Stream.of(list1, list2)
. flatMap(list -> list.stream())
. forEach(s -> System.out.print(s + " "));

Answer: D

NEW QUESTION # 170
......

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