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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What method would you use to retrieve an element from an ArrayList?
💡 Hint: Think about how you access items in a list.
Question 2
Easy
How do you add an element to an ArrayList?
💡 Hint: This method allows you to increase the size of the list.
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
Which method would you use to add an element to an ArrayList?
- add()
- insert()
- append()
- push()
💡 Hint: Consider the common method names associated with lists.
Question 2
T/F: ArrayLists can change their size dynamically during runtime.
- True
- False
💡 Hint: Think about the key feature of ArrayLists.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a comprehensive Java application that leverages an ArrayList to manage tasks. The application should allow users to add, remove, and view tasks dynamically.
💡 Hint: Think about how you would represent tasks and manage user input.
Question 2
Analyze and optimize a given code snippet that uses an ArrayList for storing student grades. Discuss the efficiency of current methods and suggest improvements.
💡 Hint: Focus on balancing read vs write operations in your analysis.
Challenge and get performance evaluation