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Oracle Java SE 11 Developer Sample Questions (Q116-Q121):

NEW QUESTION # 116
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?

  • A. Optional<String> result = fruits.stream().anyMatch(f -> f.contains("n"));
  • B. Optional<String> result = fruits.stream().filter(f -> f.contains ("n")).findFirst ();
  • C. String result = fruits.stream().filter(f -> f.contains("n")).findAny();
  • D. fruits.stream().filter(f -> f.contains("n")).forEachOrdered(System.out::print);

Answer: D

Explanation:


NEW QUESTION # 117
Given:

What is the result?

  • A. 3 5 3 3
  • B. 3 3 3 3
  • C. 5 5 3 3
  • D. 3 5 3 5

Answer: A

Explanation:


NEW QUESTION # 118
Given:

Which two codes, independently, can be inserted in line to 1 compile?

  • A. Abacus aba = v, w -> x * y;
  • B. Abacus aba = (a, b) -> a * b;
  • C. Abacus aba = (int m, int n) -> { m * n };
  • D. Abacus aba = (int i, j) -> ( return i * j; };
  • E. Abacus aba = (int e, int f) -> { return e * f; };

Answer: B,D


NEW QUESTION # 119
Which method throws an exception for not-a-number and infinite input values?
A)

B)

C)

D)

  • A. Option C
  • B. Option D
  • C. Option B
  • D. Option A

Answer: D


NEW QUESTION # 120
Given:

This code results in a compilation error.
Which code should be inserted on line 1 for a successful compilation?

  • A. Consumer consumer = msg -> { return System.out.print(msg); };
  • B. Consumer consumer = var arg -> {System.out.print(arg);};
  • C. Consumer consumer = (String args) -> System.out.print(args);
  • D. Consumer consumer = System.out::print;

Answer: D

Explanation:


NEW QUESTION # 121
......

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