1z0-819 Java SE 11 Developer

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Showing 1–3 of 15 questions

Question 1

Given:

Which two lines can replace line 1 so that the Y class compiles? (Choose two.)

Select all that apply, then click Submit answer.

  • map.forEach((k, v) -> set(v)));

  • set(map.values());

  • super.set(List map)

  • super.set(map.values());

  • set(map)


Question 2

Given:

Which two are correct? (Choose two.)

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  • The output will be exactly 2 1 3 4 5.

  • The program prints 1 4 2 3, but the order is unpredictable.

  • Replacing forEach() with forEachOrdered(), the program prints 2 1 3 4 5, but the order is unpredictable.

  • Replacing forEach() with forEachOrdered(), the program prints 1 2 3 4 5.

  • Replacing forEach() with forEachOrdered(), the program prints 2 1 3 4 5.


Question 3

Which two statements independently compile? (Choose two.)

Select all that apply, then click Submit answer.

  • List list = new ArrayList();

  • List list = new ArrayList();

  • List list = new ArrayList();

  • List list = new ArrayList();

  • List list = new ArrayList();