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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 sort a list?
💡 Hint: Think about the action you would take to organize items.
Question 2
Easy
What does Collections.reverse() do?
💡 Hint: Consider what happens when you flip something over.
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 is the main purpose of the Collections Utility Class?
- To create new collections
- To provide methods for collection manipulation
- To manage memory usage
💡 Hint: Think about simplifying tasks in programming.
Question 2
The method Collections.shuffle() randomly changes the order of elements in a list.
- True
- False
💡 Hint: Consider how you might randomly select different outfits.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a list of 10 random numbers, sort them, and then remove the maximum value from that list. What code would achieve this?
💡 Hint: Think about sorting and then finding the largest number.
Question 2
In a programming tournament, you have a list of players' scores. Write a code snippet to shuffle the scores and then print the maximum score from the shuffled list.
💡 Hint: Focus first on randomizing before finding the highest score.
Challenge and get performance evaluation