Quiz

Java Intermediate

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Quiz

Question 1

What is a key feature of the List interface?

A

It allows duplicate elements.

B

It does not allow any duplicates.

C

It automatically sorts elements.

D

It does not support index-based access.

Question 2

Which of the following correctly creates an ArrayList of Strings?

Choose all correct options

ArrayList list = new ArrayList();

ArrayList list = new ArrayList<>();

ArrayList list = new ArrayList();

Question 3

Which method inserts an element into an ArrayList at a specified position?

A

add(E e)

B

put(int index, E element)

C

insert(int index, E element)

D

add(int index, E element)

Question 4

Which method returns an iterator for traversing the elements of a List?

A

getIterator()

B

listIterator()

C

iterator()

D

forEach()

.....

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