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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What method is used to sort a list in Java?
💡 Hint: Think about order and arrangement.
Question 2
Easy
How do you reverse a list?
💡 Hint: Consider the impact on the current order.
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 does Collections.shuffle() do?
- Sorts elements
- Reverses elements
- Randomly permutes elements
💡 Hint: Think about randomization in data.
Question 2
True or False: Collections.reverse() can be used on any type of collection.
- True
- False
💡 Hint: Remember what types of collections the method applies to.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Implement a Java program that sorts an array of integers, reverses it, and finds the maximum value.
💡 Hint: Use Collections methods effectively in your program.
Question 2
Write a method to create and return an unmodifiable list from a mutable list of strings.
💡 Hint: Think about how to restrict modifications to the list.
Challenge and get performance evaluation