Practice Deque Interface - 15.4.2 | 15. Collections and Generics | Advanced Programming
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Deque Interface

15.4.2 - Deque Interface

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does the Deque interface allow you to do?

💡 Hint: Think of adding to the front and back.

Question 2 Easy

Name one method of the Deque interface.

💡 Hint: These methods handle element addition and removal.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

Which of the following methods is NOT part of the Deque interface?

addFirst()
addMiddle()
removeFirst()
removeLast()

💡 Hint: Think about methods that handle the ends of the collection.

Question 2

True or False: A Deque can only be accessed from one end.

True
False

💡 Hint: Recall the features of FIFO and LIFO.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a Java program that uses a Deque to simulate a simple undo feature for a text editor where actions can be pushed and popped.

💡 Hint: Consider how user actions can be stored in a Deque.

Challenge 2 Hard

Design a queue system using Deque where high priority tasks are accessed first but regular ones need to wait. How would you manage this?

💡 Hint: Think about task arrangements in a real-life scenario.

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