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Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
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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 add a new element to a list?
💡 Hint: Think about how you would append an item to the end.
Question 2
Easy
How would you access the first item in a list?
💡 Hint: Remember indexes start at zero.
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 remove an element from a list?
- add()
- remove()
- get()
💡 Hint: Think about what action is represented by each method.
Question 2
True or False: The get method can retrieve any element in the list.
- True
- False
💡 Hint: Consider the concept of accessing elements by index.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given an ArrayList of integers, write a method to find and replace all occurrences of a value with another value.
💡 Hint: Think about how you'd loop through and access each element.
Question 2
Create a list of your five favorite books, then use the listIterator to print them in reverse order.
💡 Hint: Remember how to initialize the listIterator and its methods.
Challenge and get performance evaluation