Practice Enhanced Iterators - 4.4.1 | 4. Java Collections Framework (Advanced | Advance Programming In Java
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does a basic Iterator allow you to do?

💡 Hint: Think about the direction and the ability to access elements one at a time.

Question 2

Easy

Name a method provided by ListIterator that is not available in Iterator.

💡 Hint: Consider the capabilities that allow changing the collection.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What method can be used to traverse a collection backward using ListIterator?

  • next()
  • previous()
  • remove()

💡 Hint: Think about movement in both directions offered by ListIterator.

Question 2

True or False: An Iterator can modify the collection while iterating.

  • True
  • False

💡 Hint: Recall the basic capabilities of Iterator.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Write a method that uses a Spliterator to take a List of integers and find the sum of even numbers in parallel.

💡 Hint: Think about how you can leverage the capabilities of Spliterator to perform operations in parallel.

Question 2

Create a ListIterator to insert specific values into a LinkedList at certain positions and print the updated list.

💡 Hint: Consider how ListIterator allows for adding elements during traversal.

Challenge and get performance evaluation